22646912 has 32 divisors (see below), whose sum is σ = 46680300. Its totient is φ = 10931200.

The previous prime is 22646891. The next prime is 22646929. The reversal of 22646912 is 21964622.

It can be written as a sum of positive squares in 2 ways, for example, as 22505536 + 141376 = 4744^2 + 376^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 662 + ... + 6762.

Almost surely, 2^22646912 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 22646912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23340150).

22646912 is an abundant number, since it is smaller than the sum of its proper divisors (24033388).

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

22646912 is an equidigital number, since it uses as much as digits as its factorization.

22646912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6144 (or 6132 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

The square root of 22646912 is about 4758.8771784949. The cubic root of 22646912 is about 282.9239183328.

The spelling of 22646912 in words is "twenty-two million, six hundred forty-six thousand, nine hundred twelve".