Is 2.22 rational or irrational

The number 2.22 is rational because it can be expressed as a fraction. Specifically, it can be written as ( \frac{222}{100} ) or ( \frac{111}{50} ), both of which are fractions of integers. Rational numbers are defined as those that can be expressed in the form ( \frac{a}{b} ), where ( a ) and ( b ) are integers and ( b \neq 0 ).