27422137 has 2 divisors, whose sum is σ = 27422138. Its totient is φ = 27422136.

The previous prime is 27422119. The next prime is 27422159. The reversal of 27422137 is 73122472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18113536 + 9308601 = 4256^2 + 3051^2 .

It is a cyclic number.

It is not a de Polignac number, because 27422137 - 2²³ = 19033529 is a prime.

It is not a weakly prime, because it can be changed into another prime (27422107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13711068 + 13711069.

It is an arithmetic number, because the mean of its divisors is an integer number (13711069).

Almost surely, 2^27422137 is an apocalyptic number.

It is an amenable number.

27422137 is a deficient number, since it is larger than the sum of its proper divisors (1).

27422137 is an equidigital number, since it uses as much as digits as its factorization.

27422137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4704, while the sum is 28.

The square root of 27422137 is about 5236.6150326332. The cubic root of 27422137 is about 301.5553922833. Note that the first 3 decimals are identical.

The spelling of 27422137 in words is "twenty-seven million, four hundred twenty-two thousand, one hundred thirty-seven".