22502495472 has 80 divisors (see below), whose sum is σ = 58936263552. Its totient is φ = 7397612800.

The previous prime is 22502495459. The next prime is 22502495489. The reversal of 22502495472 is 27459420522.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1156222 + ... + 1175522.

Almost surely, 2^22502495472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22502495472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29468131776).

22502495472 is an abundant number, since it is smaller than the sum of its proper divisors (36433768080).

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

22502495472 is a wasteful number, since it uses less digits than its factorization.

22502495472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19646 (or 19640 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 42.

The spelling of 22502495472 in words is "twenty-two billion, five hundred two million, four hundred ninety-five thousand, four hundred seventy-two".