22937228 has 12 divisors (see below), whose sum is σ = 40254480. Its totient is φ = 11435952.

The previous prime is 22937227. The next prime is 22937251. The reversal of 22937228 is 82273922.

It is a happy number.

It is a super-2 number, since 2×22937228² = 1052232856647968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22937221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6551 + ... + 9422.

It is an arithmetic number, because the mean of its divisors is an integer number (3354540).

Almost surely, 2^22937228 is an apocalyptic number.

It is an amenable number.

22937228 is a deficient number, since it is larger than the sum of its proper divisors (17317252).

22937228 is a wasteful number, since it uses less digits than its factorization.

22937228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16336 (or 16334 counting only the distinct ones).

The product of its digits is 24192, while the sum is 35.

The square root of 22937228 is about 4789.2826185140. The cubic root of 22937228 is about 284.1277445547.

The spelling of 22937228 in words is "twenty-two million, nine hundred thirty-seven thousand, two hundred twenty-eight".