22123605604 has 12 divisors (see below), whose sum is σ = 38722168828. Its totient is φ = 11060128800.

The previous prime is 22123605587. The next prime is 22123605661. The reversal of 22123605604 is 40650632122.

It can be written as a sum of positive squares in 2 ways, for example, as 18365670400 + 3757935204 = 135520^2 + 61302^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 388527 + ... + 441814.

Almost surely, 2^22123605604 is an apocalyptic number.

It is an amenable number.

22123605604 is a deficient number, since it is larger than the sum of its proper divisors (16598563224).

22123605604 is a wasteful number, since it uses less digits than its factorization.

22123605604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837006 (or 837004 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The spelling of 22123605604 in words is "twenty-two billion, one hundred twenty-three million, six hundred five thousand, six hundred four".