If we know the place value of the digits of 22, then we can easily express it in words. The place value is basically the position of a digit in a number. 22 is a two-digit number, therefore, we can specify the position of each digit in a place value chart. In the Indian numbering system, the order of place value of digits from right to left is given by:

We can write it in expanded form as:

 2× Ten + 2 × One

= 2 × 10 + 2 × 1

= 20 + 2

= 22

= Twenty-two

Therefore, 22 in words is written as Twenty-two.

 \begin{equation}

\begin{aligned}

& 2 \times 10+2 \times 1 \\

& 20+2 \\

& 22

\end{aligned}

\end{equation}