22650724 has 6 divisors (see below), whose sum is σ = 39638774. Its totient is φ = 11325360.

The previous prime is 22650713. The next prime is 22650731. The reversal of 22650724 is 42705622.

It can be written as a sum of positive squares in only one way, i.e., 13542400 + 9108324 = 3680^2 + 3018^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22650692 and 22650701.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2831337 + ... + 2831344.

Almost surely, 2^22650724 is an apocalyptic number.

It is an amenable number.

22650724 is a deficient number, since it is larger than the sum of its proper divisors (16988050).

22650724 is a wasteful number, since it uses less digits than its factorization.

22650724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5662685 (or 5662683 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 22650724 is about 4759.2776762866. The cubic root of 22650724 is about 282.9397916591.

The spelling of 22650724 in words is "twenty-two million, six hundred fifty thousand, seven hundred twenty-four".