MySQL(5.6) Integer Types

 Integer Types

Type	Storage	Minimum Value	Maximum Value
	(Bytes)	(Signed/Unsigned)	Signed/Unsigned)
TINYINT	1	-128	127
		0	255
SMALLINT	2	-32768	32767
		0	65535
MEDIUMINT	3	-8388608	8388607
		0	16777215
INT	4	-2147483648	2147483647
		0	4294967295
BIGINT	8	-9223372036854775808	9223372036854775807
		0	18446744073709551615

reference: http://dev.mysql.com/doc/refman/5.6/en/integer-types.html