What's row size in mysql?
Yes it's the average size of each row in your table.

row size * N rows = table size

Row size = 83 B

Rows = 22,000,001

Row Size times Number of rows:

83 * 22000001 = 1826000083


Convert result in Giga Bytes:

1826000083 / 1024 / 1024 / 1024 = 1.7


Total = 1.7 GiB

Max