27022931 has 6 divisors (see below), whose sum is σ = 29261700. Its totient is φ = 24944088.

The previous prime is 27022901. The next prime is 27022949. The reversal of 27022931 is 13922072.

It is a de Polignac number, because none of the positive numbers 2^k-27022931 is a prime.

It is a super-2 number, since 2×27022931² = 1460477599661522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27022931.

It is not an unprimeable number, because it can be changed into a prime (27022901) 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 5 ways as a sum of consecutive naturals, for example, 79781 + ... + 80118.

It is an arithmetic number, because the mean of its divisors is an integer number (4876950).

Almost surely, 2^27022931 is an apocalyptic number.

27022931 is a deficient number, since it is larger than the sum of its proper divisors (2238769).

27022931 is a wasteful number, since it uses less digits than its factorization.

27022931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159925 (or 159912 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 27022931 is about 5198.3584909085. The cubic root of 27022931 is about 300.0849055975.

The spelling of 27022931 in words is "twenty-seven million, twenty-two thousand, nine hundred thirty-one".