?字UNICODE编码U+22CA2,10进制: 142498,UTF-32: 00022CA2,UTF-8: F0 A2 B2 A2。(//2CHa.nEt/zI/)
?字位于中日韩统一表意文字扩充B区(CJK Unified Ideographs Extension B)。来自(汉语字典)