22597991127 has 6 divisors (see below), whose sum is σ = 32641542752. Its totient is φ = 15065327412.

The previous prime is 22597991113. The next prime is 22597991137. The reversal of 22597991127 is 72119979522.

22597991127 is a `hidden beast` number, since 22 + 597 + 9 + 9 + 1 + 1 + 27 = 666.

It is not a de Polignac number, because 22597991127 - 2¹⁵ = 22597958359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22597991137) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1255443943 + ... + 1255443960.

Almost surely, 2^22597991127 is an apocalyptic number.

22597991127 is a deficient number, since it is larger than the sum of its proper divisors (10043551625).

22597991127 is a wasteful number, since it uses less digits than its factorization.

22597991127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2510887909 (or 2510887906 counting only the distinct ones).

The product of its digits is 1428840, while the sum is 54.

The spelling of 22597991127 in words is "twenty-two billion, five hundred ninety-seven million, nine hundred ninety-one thousand, one hundred twenty-seven".