22502875472 has 80 divisors (see below), whose sum is σ = 54385340544. Its totient is φ = 8762880000.

The previous prime is 22502875453. The next prime is 22502875477. The reversal of 22502875472 is 27457820522.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22502875477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3447572 + ... + 3454092.

Almost surely, 2^22502875472 is an apocalyptic number.

22502875472 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22502875472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27192670272).

22502875472 is an abundant number, since it is smaller than the sum of its proper divisors (31882465072).

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

22502875472 is a wasteful number, since it uses less digits than its factorization.

22502875472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9348 (or 9342 counting only the distinct ones).

The product of its (nonzero) digits is 627200, while the sum is 44.

The spelling of 22502875472 in words is "twenty-two billion, five hundred two million, eight hundred seventy-five thousand, four hundred seventy-two".