22370724 has 36 divisors (see below), whose sum is σ = 57077020. Its totient is φ = 7387200.

The previous prime is 22370683. The next prime is 22370749. The reversal of 22370724 is 42707322.

It can be written as a sum of positive squares in 2 ways, for example, as 17388900 + 4981824 = 4170^2 + 2232^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1074 + ... + 6774.

Almost surely, 2^22370724 is an apocalyptic number.

It is an amenable number.

22370724 is an abundant number, since it is smaller than the sum of its proper divisors (34706296).

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

22370724 is a wasteful number, since it uses less digits than its factorization.

22370724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5820 (or 5815 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 22370724 is about 4729.7699732651. The cubic root of 22370724 is about 281.7690881720.

The spelling of 22370724 in words is "twenty-two million, three hundred seventy thousand, seven hundred twenty-four".