22628332 has 12 divisors (see below), whose sum is σ = 39866400. Its totient is φ = 11237936.

The previous prime is 22628327. The next prime is 22628383. The reversal of 22628332 is 23382622.

It is a self number, because there is not a number n which added to its sum of digits gives 22628332.

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, 18388 + ... + 19579.

It is an arithmetic number, because the mean of its divisors is an integer number (3322200).

Almost surely, 2^22628332 is an apocalyptic number.

It is an amenable number.

22628332 is a deficient number, since it is larger than the sum of its proper divisors (17238068).

22628332 is a wasteful number, since it uses less digits than its factorization.

22628332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38120 (or 38118 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

The square root of 22628332 is about 4756.9246367795. The cubic root of 22628332 is about 282.8465249317.

The spelling of 22628332 in words is "twenty-two million, six hundred twenty-eight thousand, three hundred thirty-two".