27222732 has 36 divisors (see below), whose sum is σ = 69503616. Its totient is φ = 8983200.

The previous prime is 27222721. The next prime is 27222737. The reversal of 27222732 is 23722272.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 27222696 and 27222705.

It is not an unprimeable number, because it can be changed into a prime (27222737) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108 + ... + 7379.

It is an arithmetic number, because the mean of its divisors is an integer number (1930656).

Almost surely, 2^27222732 is an apocalyptic number.

It is an amenable number.

27222732 is an abundant number, since it is smaller than the sum of its proper divisors (42280884).

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

27222732 is a wasteful number, since it uses less digits than its factorization.

27222732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7598 (or 7593 counting only the distinct ones).

The product of its digits is 4704, while the sum is 27.

The square root of 27222732 is about 5217.5408000321. The cubic root of 27222732 is about 300.8226752891.

The spelling of 27222732 in words is "twenty-seven million, two hundred twenty-two thousand, seven hundred thirty-two".