22949856 has 36 divisors (see below), whose sum is σ = 65264472. Its totient is φ = 7649856.

The previous prime is 22949851. The next prime is 22949863. The reversal of 22949856 is 65894922.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22949851) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39556 + ... + 40131.

It is an arithmetic number, because the mean of its divisors is an integer number (1812902).

Almost surely, 2^22949856 is an apocalyptic number.

It is an amenable number.

22949856 is an abundant number, since it is smaller than the sum of its proper divisors (42314616).

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

22949856 is a wasteful number, since it uses less digits than its factorization.

22949856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79703 (or 79692 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 22949856 is about 4790.6007973948. The cubic root of 22949856 is about 284.1798767901.

The spelling of 22949856 in words is "twenty-two million, nine hundred forty-nine thousand, eight hundred fifty-six".