22456700 has 54 divisors (see below), whose sum is σ = 56699496. Its totient is φ = 7697760.

The previous prime is 22456697. The next prime is 22456751. The reversal of 22456700 is 765422.

It is a self number, because there is not a number n which added to its sum of digits gives 22456700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2609 + ... + 7191.

Almost surely, 2^22456700 is an apocalyptic number.

22456700 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 22456700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28349748).

22456700 is an abundant number, since it is smaller than the sum of its proper divisors (34242796).

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

22456700 is a wasteful number, since it uses less digits than its factorization.

22456700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4611 (or 4597 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 22456700 is about 4738.8500714836. The cubic root of 22456700 is about 282.1295952137.

The spelling of 22456700 in words is "twenty-two million, four hundred fifty-six thousand, seven hundred".