22864746 has 16 divisors (see below), whose sum is σ = 45882144. Its totient is φ = 7596144.

The previous prime is 22864739. The next prime is 22864747. The reversal of 22864746 is 64746822.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22864747) 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, 4365 + ... + 8048.

It is an arithmetic number, because the mean of its divisors is an integer number (2867634).

Almost surely, 2^22864746 is an apocalyptic number.

22864746 is an abundant number, since it is smaller than the sum of its proper divisors (23017398).

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

22864746 is a wasteful number, since it uses less digits than its factorization.

22864746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12725.

The product of its digits is 129024, while the sum is 39.

The square root of 22864746 is about 4781.7095269370. The cubic root of 22864746 is about 283.8281460453.

The spelling of 22864746 in words is "twenty-two million, eight hundred sixty-four thousand, seven hundred forty-six".