22940172 has 42 divisors (see below), whose sum is σ = 60198068. Its totient is φ = 7645752.

The previous prime is 22940161. The next prime is 22940207. The reversal of 22940172 is 27104922.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 1018 + ... + 6849.

Almost surely, 2^22940172 is an apocalyptic number.

It is an amenable number.

22940172 is an abundant number, since it is smaller than the sum of its proper divisors (37257896).

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

22940172 is an equidigital number, since it uses as much as digits as its factorization.

22940172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7889 (or 7872 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 22940172 is about 4789.5899615729. The cubic root of 22940172 is about 284.1398999947.

It can be divided in two parts, 229 and 40172, that added together give a square (40401 = 201²).

The spelling of 22940172 in words is "twenty-two million, nine hundred forty thousand, one hundred seventy-two".