22179072 has 36 divisors (see below), whose sum is σ = 59030720. Its totient is φ = 7392768.

The previous prime is 22179071. The next prime is 22179127. The reversal of 22179072 is 27097122.

It is a happy number.

It is a super-2 number, since 2×22179072² = 983822469562368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22179071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13672 + ... + 15207.

Almost surely, 2^22179072 is an apocalyptic number.

It is an amenable number.

22179072 is an abundant number, since it is smaller than the sum of its proper divisors (36851648).

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

22179072 is an equidigital number, since it uses as much as digits as its factorization.

22179072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28898 (or 28884 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 22179072 is about 4709.4662117909. The cubic root of 22179072 is about 280.9621323237.

The spelling of 22179072 in words is "twenty-two million, one hundred seventy-nine thousand, seventy-two".