22938560 has 56 divisors (see below), whose sum is σ = 55260240. Its totient is φ = 9068544.

The previous prime is 22938547. The next prime is 22938569. The reversal of 22938560 is 6583922.

It is a self number, because there is not a number n which added to its sum of digits gives 22938560.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22938569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30671 + ... + 31409.

It is an arithmetic number, because the mean of its divisors is an integer number (986790).

Almost surely, 2^22938560 is an apocalyptic number.

22938560 is a gapful number since it is divisible by the number (20) 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 22938560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27630120).

22938560 is an abundant number, since it is smaller than the sum of its proper divisors (32321680).

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

22938560 is an equidigital number, since it uses as much as digits as its factorization.

22938560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853 (or 843 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 22938560 is about 4789.4216769877. The cubic root of 22938560 is about 284.1332443595.

The spelling of 22938560 in words is "twenty-two million, nine hundred thirty-eight thousand, five hundred sixty".