27222132 has 24 divisors (see below), whose sum is σ = 72592576. Its totient is φ = 7777728.

The previous prime is 27222127. The next prime is 27222137. The reversal of 27222132 is 23122272.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (27222127) and next prime (27222137).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 27222099 and 27222108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27222137) by changing a digit.

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, 161953 + ... + 162120.

Almost surely, 2^27222132 is an apocalyptic number.

It is an amenable number.

27222132 is an abundant number, since it is smaller than the sum of its proper divisors (45370444).

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

27222132 is a wasteful number, since it uses less digits than its factorization.

27222132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324087 (or 324085 counting only the distinct ones).

The product of its digits is 672, while the sum is 21.

The square root of 27222132 is about 5217.4833013628. The cubic root of 27222132 is about 300.8204651884.

The spelling of 27222132 in words is "twenty-seven million, two hundred twenty-two thousand, one hundred thirty-two".