22557422577 has 4 divisors (see below), whose sum is σ = 30076563440. Its totient is φ = 15038281716.

The previous prime is 22557422543. The next prime is 22557422663. The reversal of 22557422577 is 77522475522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 22557422577 - 2¹⁸ = 22557160433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22557422507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3759570427 + ... + 3759570432.

It is an arithmetic number, because the mean of its divisors is an integer number (7519140860).

Almost surely, 2^22557422577 is an apocalyptic number.

It is an amenable number.

22557422577 is a deficient number, since it is larger than the sum of its proper divisors (7519140863).

22557422577 is an equidigital number, since it uses as much as digits as its factorization.

22557422577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7519140862.

The product of its digits is 2744000, while the sum is 48.

The spelling of 22557422577 in words is "twenty-two billion, five hundred fifty-seven million, four hundred twenty-two thousand, five hundred seventy-seven".