22027572990138 has 16 divisors (see below), whose sum is σ = 44058200659776. Its totient is φ = 7342015216800.

The previous prime is 22027572990121. The next prime is 22027572990149. The reversal of 22027572990138 is 83109927572022.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127184563 + ... + 127357638.

It is an arithmetic number, because the mean of its divisors is an integer number (2753637541236).

Almost surely, 2^{22027572990138} is an apocalyptic number.

22027572990138 is an abundant number, since it is smaller than the sum of its proper divisors (22030627669638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22027572990138 is a wasteful number, since it uses less digits than its factorization.

22027572990138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254556629.

The product of its (nonzero) digits is 7620480, while the sum is 57.

The spelling of 22027572990138 in words is "twenty-two trillion, twenty-seven billion, five hundred seventy-two million, nine hundred ninety thousand, one hundred thirty-eight".