22705984 has 28 divisors (see below), whose sum is σ = 51494944. Its totient is φ = 9730944.

The previous prime is 22705979. The next prime is 22706003. The reversal of 22705984 is 48950722.

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

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, 24894 + ... + 25789.

Almost surely, 2^22705984 is an apocalyptic number.

It is an amenable number.

22705984 is an abundant number, since it is smaller than the sum of its proper divisors (28788960).

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

22705984 is an equidigital number, since it uses as much as digits as its factorization.

22705984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50702 (or 50692 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 22705984 is about 4765.0796425663. The cubic root of 22705984 is about 283.1696968225.

The spelling of 22705984 in words is "twenty-two million, seven hundred five thousand, nine hundred eighty-four".