22557882791 has 32 divisors (see below), whose sum is σ = 24508431360. Its totient is φ = 20694859776.

The previous prime is 22557882757. The next prime is 22557882817. The reversal of 22557882791 is 19728875522.

It is a cyclic number.

It is not a de Polignac number, because 22557882791 - 2¹⁴ = 22557866407 is a prime.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22557882731) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52096511 + ... + 52096943.

It is an arithmetic number, because the mean of its divisors is an integer number (765888480).

Almost surely, 2^22557882791 is an apocalyptic number.

22557882791 is a deficient number, since it is larger than the sum of its proper divisors (1950548569).

22557882791 is a wasteful number, since it uses less digits than its factorization.

22557882791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983.

The product of its digits is 5644800, while the sum is 56.

The spelling of 22557882791 in words is "twenty-two billion, five hundred fifty-seven million, eight hundred eighty-two thousand, seven hundred ninety-one".