22651732 has 6 divisors (see below), whose sum is σ = 39640538. Its totient is φ = 11325864.

The previous prime is 22651729. The next prime is 22651747. The reversal of 22651732 is 23715622.

It can be written as a sum of positive squares in only one way, i.e., 21659716 + 992016 = 4654^2 + 996^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22651732.

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, 2831463 + ... + 2831470.

Almost surely, 2^22651732 is an apocalyptic number.

It is an amenable number.

22651732 is a deficient number, since it is larger than the sum of its proper divisors (16988806).

22651732 is a wasteful number, since it uses less digits than its factorization.

22651732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5662937 (or 5662935 counting only the distinct ones).

The product of its digits is 5040, while the sum is 28.

The square root of 22651732 is about 4759.3835735313. The cubic root of 22651732 is about 282.9439887152.

The spelling of 22651732 in words is "twenty-two million, six hundred fifty-one thousand, seven hundred thirty-two".