22556153221522 has 32 divisors (see below), whose sum is σ = 34044292275840. Its totient is φ = 11208219697920.

The previous prime is 22556153221519. The next prime is 22556153221523. The reversal of 22556153221522 is 22512235165522.

It is not an unprimeable number, because it can be changed into a prime (22556153221523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1909428888 + ... + 1909440700.

It is an arithmetic number, because the mean of its divisors is an integer number (1063884133620).

Almost surely, 2^{22556153221522} is an apocalyptic number.

22556153221522 is a deficient number, since it is larger than the sum of its proper divisors (11488139054318).

22556153221522 is a wasteful number, since it uses less digits than its factorization.

22556153221522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18258.

The product of its digits is 720000, while the sum is 43.

The spelling of 22556153221522 in words is "twenty-two trillion, five hundred fifty-six billion, one hundred fifty-three million, two hundred twenty-one thousand, five hundred twenty-two".