22572948 has 12 divisors (see below), whose sum is σ = 52670240. Its totient is φ = 7524312.

The previous prime is 22572947. The next prime is 22572961. The reversal of 22572948 is 84927522.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22572943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 940528 + ... + 940551.

Almost surely, 2^22572948 is an apocalyptic number.

It is an amenable number.

22572948 is an abundant number, since it is smaller than the sum of its proper divisors (30097292).

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

22572948 is a wasteful number, since it uses less digits than its factorization.

22572948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1881086 (or 1881084 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 22572948 is about 4751.0996621835. The cubic root of 22572948 is about 282.6155759635.

The spelling of 22572948 in words is "twenty-two million, five hundred seventy-two thousand, nine hundred forty-eight".