22450990356 has 72 divisors (see below), whose sum is σ = 57176630784. Its totient is φ = 7427689920.

The previous prime is 22450990339. The next prime is 22450990417. The reversal of 22450990356 is 65309905422.

22450990356 is a `hidden beast` number, since 2 + 2 + 4 + 509 + 90 + 3 + 56 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4644861 + ... + 4649691.

It is an arithmetic number, because the mean of its divisors is an integer number (794119872).

Almost surely, 2^22450990356 is an apocalyptic number.

It is an amenable number.

22450990356 is an abundant number, since it is smaller than the sum of its proper divisors (34725640428).

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

22450990356 is a wasteful number, since it uses less digits than its factorization.

22450990356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5781 (or 5776 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 45.

The spelling of 22450990356 in words is "twenty-two billion, four hundred fifty million, nine hundred ninety thousand, three hundred fifty-six".