22274764 has 24 divisors (see below), whose sum is σ = 42819840. Its totient is φ = 10091664.

The previous prime is 22274737. The next prime is 22274797. The reversal of 22274764 is 46747222.

It is a super-2 number, since 2×22274764² = 992330222511392, which contains 22 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4624 + ... + 8119.

It is an arithmetic number, because the mean of its divisors is an integer number (1784160).

Almost surely, 2^22274764 is an apocalyptic number.

It is an amenable number.

22274764 is a deficient number, since it is larger than the sum of its proper divisors (20545076).

22274764 is a wasteful number, since it uses less digits than its factorization.

22274764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12789 (or 12787 counting only the distinct ones).

The product of its digits is 37632, while the sum is 34.

The square root of 22274764 is about 4719.6148147916. The cubic root of 22274764 is about 281.3656246237.

The spelling of 22274764 in words is "twenty-two million, two hundred seventy-four thousand, seven hundred sixty-four".