23228972 has 24 divisors (see below), whose sum is σ = 44212896. Its totient is φ = 10614528.

The previous prime is 23228969. The next prime is 23228977. The reversal of 23228972 is 27982232.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (23228977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3188 + ... + 7524.

It is an arithmetic number, because the mean of its divisors is an integer number (1842204).

Almost surely, 2^23228972 is an apocalyptic number.

It is an amenable number.

23228972 is a deficient number, since it is larger than the sum of its proper divisors (20983924).

23228972 is a wasteful number, since it uses less digits than its factorization.

23228972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4457 (or 4455 counting only the distinct ones).

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

The square root of 23228972 is about 4819.6443852218. The cubic root of 23228972 is about 285.3273022327.

The spelling of 23228972 in words is "twenty-three million, two hundred twenty-eight thousand, nine hundred seventy-two".