22646632 has 16 divisors (see below), whose sum is σ = 44697600. Its totient is φ = 10727280.

The previous prime is 22646629. The next prime is 22646653. The reversal of 22646632 is 23664622.

It is a junction number, because it is equal to n+sod(n) for n = 22646594 and 22646603.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74344 + ... + 74647.

It is an arithmetic number, because the mean of its divisors is an integer number (2793600).

Almost surely, 2^22646632 is an apocalyptic number.

It is an amenable number.

22646632 is a deficient number, since it is larger than the sum of its proper divisors (22050968).

22646632 is a wasteful number, since it uses less digits than its factorization.

22646632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149016 (or 149012 counting only the distinct ones).

The product of its digits is 20736, while the sum is 31.

The square root of 22646632 is about 4758.8477596998. The cubic root of 22646632 is about 282.9227523310.

The spelling of 22646632 in words is "twenty-two million, six hundred forty-six thousand, six hundred thirty-two".