22274664 has 16 divisors (see below), whose sum is σ = 55686720. Its totient is φ = 7424880.

The previous prime is 22274621. The next prime is 22274671. The reversal of 22274664 is 46647222.

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, 464032 + ... + 464079.

It is an arithmetic number, because the mean of its divisors is an integer number (3480420).

Almost surely, 2^22274664 is an apocalyptic number.

22274664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22274664 is an abundant number, since it is smaller than the sum of its proper divisors (33412056).

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

22274664 is a wasteful number, since it uses less digits than its factorization.

22274664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928120 (or 928116 counting only the distinct ones).

The product of its digits is 32256, while the sum is 33.

The square root of 22274664 is about 4719.6042206948. The cubic root of 22274664 is about 281.3652035701.

The spelling of 22274664 in words is "twenty-two million, two hundred seventy-four thousand, six hundred sixty-four".