22816944 has 40 divisors (see below), whose sum is σ = 65494320. Its totient is φ = 7605504.

The previous prime is 22816933. The next prime is 22816973. The reversal of 22816944 is 44961822.

It is a super-2 number, since 2×22816944² = 1041225866998272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 22816899 and 22816908.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25977 + ... + 26840.

It is an arithmetic number, because the mean of its divisors is an integer number (1637358).

Almost surely, 2^22816944 is an apocalyptic number.

22816944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22816944 is an abundant number, since it is smaller than the sum of its proper divisors (42677376).

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

22816944 is a wasteful number, since it uses less digits than its factorization.

22816944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52834 (or 52822 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 22816944 is about 4776.7084901635. The cubic root of 22816944 is about 283.6302136913.

The spelling of 22816944 in words is "twenty-two million, eight hundred sixteen thousand, nine hundred forty-four".