22508660442 has 16 divisors (see below), whose sum is σ = 45077918400. Its totient is φ = 7492787232.

The previous prime is 22508660429. The next prime is 22508660459. The reversal of 22508660442 is 24406680522.

It is a self number, because there is not a number n which added to its sum of digits gives 22508660442.

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, 2520067 + ... + 2528982.

It is an arithmetic number, because the mean of its divisors is an integer number (2817369900).

Almost surely, 2^22508660442 is an apocalyptic number.

22508660442 is an abundant number, since it is smaller than the sum of its proper divisors (22569257958).

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

22508660442 is a wasteful number, since it uses less digits than its factorization.

22508660442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5049797.

The product of its (nonzero) digits is 184320, while the sum is 39.

The spelling of 22508660442 in words is "twenty-two billion, five hundred eight million, six hundred sixty thousand, four hundred forty-two".