As character names:

U+222E CONTOUR INTEGRAL character (∮)

As raw characters:

∮

As a string of HTML entities:

∮

Decoder output:

Byte number 1 is decimal 226, hex 0xE2, octal \342, binary 11100010
This is the first byte of a 3 byte sequence.

Byte number 2 is decimal 136, hex 0x88, octal \210, binary 10001000
This is continuation byte 1, expecting 1 more.

Byte number 3 is decimal 174, hex 0xAE, octal \256, binary 10101110
This is continuation byte 2, expecting 0 more.

U+222E	CONTOUR INTEGRAL
	x (integral around a point operator - 2A15)