22648632 has 16 divisors (see below), whose sum is σ = 56621640. Its totient is φ = 7549536.

The previous prime is 22648621. The next prime is 22648643. The reversal of 22648632 is 23684622.

It is an interprime number because it is at equal distance from previous prime (22648621) and next prime (22648643).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 22648593 and 22648602.

It is a congruent number.

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, 471823 + ... + 471870.

Almost surely, 2^22648632 is an apocalyptic number.

It is an amenable number.

22648632 is an abundant number, since it is smaller than the sum of its proper divisors (33973008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22648632 is a wasteful number, since it uses less digits than its factorization.

22648632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943702 (or 943698 counting only the distinct ones).

The product of its digits is 27648, while the sum is 33.

The square root of 22648632 is about 4759.0578899610. The cubic root of 22648632 is about 282.9310807048.

The spelling of 22648632 in words is "twenty-two million, six hundred forty-eight thousand, six hundred thirty-two".