22530232544 has 24 divisors (see below), whose sum is σ = 46284935760. Its totient is φ = 10775328256.

The previous prime is 22530232513. The next prime is 22530232561. The reversal of 22530232544 is 44523203522.

It is a super-2 number, since 2×22530232544² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 22530232544.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15305129 + ... + 15306600.

It is an arithmetic number, because the mean of its divisors is an integer number (1928538990).

Almost surely, 2^22530232544 is an apocalyptic number.

It is an amenable number.

22530232544 is an abundant number, since it is smaller than the sum of its proper divisors (23754703216).

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

22530232544 is a wasteful number, since it uses less digits than its factorization.

22530232544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30611762 (or 30611754 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 32.

The spelling of 22530232544 in words is "twenty-two billion, five hundred thirty million, two hundred thirty-two thousand, five hundred forty-four".