22628432 has 20 divisors (see below), whose sum is σ = 44776896. Its totient is φ = 11073120.

The previous prime is 22628429. The next prime is 22628453. The reversal of 22628432 is 23482622.

It is a junction number, because it is equal to n+sod(n) for n = 22628395 and 22628404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14294 + ... + 15797.

Almost surely, 2^22628432 is an apocalyptic number.

It is an amenable number.

22628432 is a deficient number, since it is larger than the sum of its proper divisors (22148464).

22628432 is a wasteful number, since it uses less digits than its factorization.

22628432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30146 (or 30140 counting only the distinct ones).

The product of its digits is 9216, while the sum is 29.

The square root of 22628432 is about 4756.9351477606. The cubic root of 22628432 is about 282.8469415865.

The spelling of 22628432 in words is "twenty-two million, six hundred twenty-eight thousand, four hundred thirty-two".