22157584752 has 20 divisors (see below), whose sum is σ = 57240427400. Its totient is φ = 7385861568.

The previous prime is 22157584751. The next prime is 22157584781. The reversal of 22157584752 is 25748575122.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 461616349 = 22157584752 / (2 + 2 + 1 + 5 + 7 + 5 + 8 + 4 + 7 + 5 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22157584751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230808127 + ... + 230808222.

It is an arithmetic number, because the mean of its divisors is an integer number (2862021370).

Almost surely, 2^22157584752 is an apocalyptic number.

It is an amenable number.

22157584752 is an abundant number, since it is smaller than the sum of its proper divisors (35082842648).

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

22157584752 is a wasteful number, since it uses less digits than its factorization.

22157584752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461616360 (or 461616354 counting only the distinct ones).

The product of its digits is 1568000, while the sum is 48.

The spelling of 22157584752 in words is "twenty-two billion, one hundred fifty-seven million, five hundred eighty-four thousand, seven hundred fifty-two".