22533748 has 6 divisors (see below), whose sum is σ = 39434066. Its totient is φ = 11266872.

The previous prime is 22533743. The next prime is 22533799. The reversal of 22533748 is 84733522.

It can be written as a sum of positive squares in only one way, i.e., 15069924 + 7463824 = 3882^2 + 2732^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22533743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2816715 + ... + 2816722.

Almost surely, 2^22533748 is an apocalyptic number.

It is an amenable number.

22533748 is a deficient number, since it is larger than the sum of its proper divisors (16900318).

22533748 is a wasteful number, since it uses less digits than its factorization.

22533748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5633441 (or 5633439 counting only the distinct ones).

The product of its digits is 40320, while the sum is 34.

The square root of 22533748 is about 4746.9725088734. The cubic root of 22533748 is about 282.4518851933.

The spelling of 22533748 in words is "twenty-two million, five hundred thirty-three thousand, seven hundred forty-eight".