This character is a Math Symbol and is commonly used, that is, in no specific script.
The glyph is not a composition. It has no designated width in East Asian texts. In bidirectional text it acts as Other Neutral. When changing direction it is mirrored into Equal To Or Succeeds. The word that U+22DE forms with similar adjacent characters prevents a line break inside it.
The Wikipedia has the following information about this codepoint:
In mathematical notation, ordered set operators indicate whether an object precedes or succeeds another. These relationship operators are denoted by the unicode symbols U+227A-F, along with symbols located unicode blocks U+228x through U+22Ex.
Representations
System
Representation (click value to copy)
Nº
8926
UTF-8
E2 8B 9E
UTF-16
22 DE
UTF-32
00 00 22 DE
URL-Quoted
%E2%8B%9E
HTML hex reference
⋞
Wrong windows-1252 Mojibake
â‹ž
HTML named entity
⋞
HTML named entity
⋞
Encoding: GB18030 (hex bytes)
81 36 E4 31
LATEX
\curlyeqprec
RFC 5137
\u'22DE'
Bash and Zsh inside echo -e
\u22DE
C and C++
\u22DE
C#
\u22DE
CSS
\0022DE
Excel
=UNICHAR(8926)
Go
\u22DE
JavaScript
\u22DE
Modern JavaScript since ES6
\u{22de}
JSON
\u22DE
Java
\u22DE
Lua
\u{22DE}
Matlab
char(8926)
Perl
"\x{22DE}"
PHP
\u{22de}
PostgreSQL
U&'\22DE'
PowerShell
`u{22DE}
Python
\u22DE
Ruby
\u{22de}
Rust
\u{22de}
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