22938656 has 48 divisors (see below), whose sum is σ = 49420224. Its totient is φ = 10416384.

The previous prime is 22938653. The next prime is 22938691. The reversal of 22938656 is 65683922.

It is not an unprimeable number, because it can be changed into a prime (22938653) 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, 27461 + ... + 28283.

It is an arithmetic number, because the mean of its divisors is an integer number (1029588).

Almost surely, 2^22938656 is an apocalyptic number.

22938656 is a gapful number since it is divisible by the number (26) 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 22938656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24710112).

22938656 is an abundant number, since it is smaller than the sum of its proper divisors (26481568).

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

22938656 is a wasteful number, since it uses less digits than its factorization.

22938656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913 (or 905 counting only the distinct ones).

The product of its digits is 155520, while the sum is 41.

The square root of 22938656 is about 4789.4316990641. The cubic root of 22938656 is about 284.1336407336.

The spelling of 22938656 in words is "twenty-two million, nine hundred thirty-eight thousand, six hundred fifty-six".