22981899075136 has 21 divisors (see below), whose sum is σ = 45604782081211. Its totient is φ = 11490930361792.

The previous prime is 22981899075131. The next prime is 22981899075197. The reversal of 22981899075136 is 63157099818922.

The square root of 22981899075136 is 4793944.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22981899075131) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 38051931 + ... + 38651173.

Almost surely, 2^{22981899075136} is an apocalyptic number.

22981899075136 is the 4793944-th square number.

It is an amenable number.

22981899075136 is a deficient number, since it is larger than the sum of its proper divisors (22622883006075).

22981899075136 is an frugal number, since it uses more digits than its factorization.

22981899075136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1198498 (or 599245 counting only the distinct ones).

The product of its (nonzero) digits is 117573120, while the sum is 70.

The spelling of 22981899075136 in words is "twenty-two trillion, nine hundred eighty-one billion, eight hundred ninety-nine million, seventy-five thousand, one hundred thirty-six".