22412856 has 64 divisors (see below), whose sum is σ = 61574400. Its totient is φ = 6766848.

The previous prime is 22412827. The next prime is 22412857. The reversal of 22412856 is 65821422.

It is a super-2 number, since 2×22412856² = 1004672228153472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22412857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9420 + ... + 11556.

It is an arithmetic number, because the mean of its divisors is an integer number (962100).

Almost surely, 2^22412856 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 22412856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30787200).

22412856 is an abundant number, since it is smaller than the sum of its proper divisors (39161544).

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

22412856 is a wasteful number, since it uses less digits than its factorization.

22412856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2188 (or 2184 counting only the distinct ones).

The product of its digits is 7680, while the sum is 30.

The square root of 22412856 is about 4734.2217945508. The cubic root of 22412856 is about 281.9458675834.

The spelling of 22412856 in words is "twenty-two million, four hundred twelve thousand, eight hundred fifty-six".