22572608 has 42 divisors (see below), whose sum is σ = 47322486. Its totient is φ = 10681344.

The previous prime is 22572587. The next prime is 22572631. The reversal of 22572608 is 80627522.

It can be written as a sum of positive squares in only one way, i.e., 22202944 + 369664 = 4712^2 + 608^2 .

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 5 ways as a sum of consecutive naturals, for example, 22616 + ... + 23592.

Almost surely, 2^22572608 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 22572608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23661243).

22572608 is an abundant number, since it is smaller than the sum of its proper divisors (24749878).

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

22572608 is an equidigital number, since it uses as much as digits as its factorization.

22572608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027 (or 998 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 22572608 is about 4751.0638808587. The cubic root of 22572608 is about 282.6141570117.

The spelling of 22572608 in words is "twenty-two million, five hundred seventy-two thousand, six hundred eight".