22453972 has 24 divisors (see below), whose sum is σ = 41518400. Its totient is φ = 10596096.

The previous prime is 22453969. The next prime is 22453993. The reversal of 22453972 is 27935422.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33028 + ... + 33700.

Almost surely, 2^22453972 is an apocalyptic number.

It is an amenable number.

22453972 is a deficient number, since it is larger than the sum of its proper divisors (19064428).

22453972 is a wasteful number, since it uses less digits than its factorization.

22453972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135 (or 1133 counting only the distinct ones).

The product of its digits is 30240, while the sum is 34.

The square root of 22453972 is about 4738.5622291999. The cubic root of 22453972 is about 282.1181705505.

The spelling of 22453972 in words is "twenty-two million, four hundred fifty-three thousand, nine hundred seventy-two".