22905936 has 80 divisors (see below), whose sum is σ = 69638400. Its totient is φ = 7183872.

The previous prime is 22905881. The next prime is 22905941. The reversal of 22905936 is 63950922.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 22905936.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5785 + ... + 8903.

It is an arithmetic number, because the mean of its divisors is an integer number (870480).

Almost surely, 2^22905936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22905936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34819200).

22905936 is an abundant number, since it is smaller than the sum of its proper divisors (46732464).

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

22905936 is a wasteful number, since it uses less digits than its factorization.

22905936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3153 (or 3141 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 22905936 is about 4786.0146259701. The cubic root of 22905936 is about 283.9984791296.

The spelling of 22905936 in words is "twenty-two million, nine hundred five thousand, nine hundred thirty-six".