22856000 has 56 divisors (see below), whose sum is σ = 56622696. Its totient is φ = 9139200.

The previous prime is 22855991. The next prime is 22856003. The reversal of 22856000 is 65822.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 350464 + 22505536 = 592^2 + 4744^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22856003) 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, 6572 + ... + 9428.

Almost surely, 2^22856000 is an apocalyptic number.

22856000 is a gapful number since it is divisible by the number (20) 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 22856000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28311348).

22856000 is an abundant number, since it is smaller than the sum of its proper divisors (33766696).

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

22856000 is an equidigital number, since it uses as much as digits as its factorization.

22856000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2884 (or 2864 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 22856000 is about 4780.7949129826. The cubic root of 22856000 is about 283.7919523705.

The spelling of 22856000 in words is "twenty-two million, eight hundred fifty-six thousand".