* A number with 22 zeros: This is the simplest and most straightforward description.
* 1 followed by 22 zeros: This is a more precise description, especially useful when talking about specific calculations.
* A 23-digit number: This describes the number of digits in the number (1 + 22 zeros = 23 digits).
* A number in the order of 10^22: This uses scientific notation, which is a concise way of expressing very large or very small numbers.
The specific name you choose will depend on the context and what you want to emphasize.