22813472 has 24 divisors (see below), whose sum is σ = 48997872. Its totient is φ = 10369600.

The previous prime is 22813411. The next prime is 22813481. The reversal of 22813472 is 27431822.

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, 32054 + ... + 32757.

It is an arithmetic number, because the mean of its divisors is an integer number (2041578).

Almost surely, 2^22813472 is an apocalyptic number.

22813472 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22813472 is an abundant number, since it is smaller than the sum of its proper divisors (26184400).

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

22813472 is a wasteful number, since it uses less digits than its factorization.

22813472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64832 (or 64824 counting only the distinct ones).

The product of its digits is 5376, while the sum is 29.

The square root of 22813472 is about 4776.3450461624. The cubic root of 22813472 is about 283.6158265169.

The spelling of 22813472 in words is "twenty-two million, eight hundred thirteen thousand, four hundred seventy-two".