22157875122 has 32 divisors (see below), whose sum is σ = 44762055360. Its totient is φ = 7311695040.

The previous prime is 22157875109. The next prime is 22157875199.

It is a happy number.

22157875122 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 751368 + ... + 780300.

It is an arithmetic number, because the mean of its divisors is an integer number (1398814230).

Almost surely, 2^22157875122 is an apocalyptic number.

22157875122 is an abundant number, since it is smaller than the sum of its proper divisors (22604180238).

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

22157875122 is a wasteful number, since it uses less digits than its factorization.

22157875122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30218.

The product of its digits is 156800, while the sum is 42.

The spelling of 22157875122 in words is "twenty-two billion, one hundred fifty-seven million, eight hundred seventy-five thousand, one hundred twenty-two".