22353872 has 10 divisors (see below), whose sum is σ = 43310658. Its totient is φ = 11176928.

The previous prime is 22353833. The next prime is 22353893. The reversal of 22353872 is 27835322.

It can be written as a sum of positive squares in only one way, i.e., 15085456 + 7268416 = 3884^2 + 2696^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 698543 + ... + 698574.

Almost surely, 2^22353872 is an apocalyptic number.

It is an amenable number.

22353872 is a deficient number, since it is larger than the sum of its proper divisors (20956786).

22353872 is a wasteful number, since it uses less digits than its factorization.

22353872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1397125 (or 1397119 counting only the distinct ones).

The product of its digits is 20160, while the sum is 32.

The square root of 22353872 is about 4727.9881556535. The cubic root of 22353872 is about 281.6983176194.

The spelling of 22353872 in words is "twenty-two million, three hundred fifty-three thousand, eight hundred seventy-two".