22276172 has 12 divisors (see below), whose sum is σ = 39209856. Its totient is φ = 11073360.

The previous prime is 22276153. The next prime is 22276187. The reversal of 22276172 is 27167222.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

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, 15404 + ... + 16787.

It is an arithmetic number, because the mean of its divisors is an integer number (3267488).

Almost surely, 2^22276172 is an apocalyptic number.

It is an amenable number.

22276172 is a deficient number, since it is larger than the sum of its proper divisors (16933684).

22276172 is a wasteful number, since it uses less digits than its factorization.

22276172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32368 (or 32366 counting only the distinct ones).

The product of its digits is 4704, while the sum is 29.

The square root of 22276172 is about 4719.7639771497. The cubic root of 22276172 is about 281.3715529237.

The spelling of 22276172 in words is "twenty-two million, two hundred seventy-six thousand, one hundred seventy-two".