22520154522 has 16 divisors (see below), whose sum is σ = 45071324640. Its totient is φ = 7501548912.

The previous prime is 22520154509. The next prime is 22520154533. The reversal of 22520154522 is 22545102522.

It is a self number, because there is not a number n which added to its sum of digits gives 22520154522.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1282872 + ... + 1300307.

It is an arithmetic number, because the mean of its divisors is an integer number (2816957790).

Almost surely, 2^22520154522 is an apocalyptic number.

22520154522 is an abundant number, since it is smaller than the sum of its proper divisors (22551170118).

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

22520154522 is a wasteful number, since it uses less digits than its factorization.

22520154522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2584637.

The product of its (nonzero) digits is 16000, while the sum is 30.

The spelling of 22520154522 in words is "twenty-two billion, five hundred twenty million, one hundred fifty-four thousand, five hundred twenty-two".