27022889 has 2 divisors, whose sum is σ = 27022890. Its totient is φ = 27022888.

The previous prime is 27022873. The next prime is 27022901. The reversal of 27022889 is 98822072.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26091664 + 931225 = 5108^2 + 965^2 .

It is a cyclic number.

It is not a de Polignac number, because 27022889 - 2⁴ = 27022873 is a prime.

It is not a weakly prime, because it can be changed into another prime (27022829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13511444 + 13511445.

It is an arithmetic number, because the mean of its divisors is an integer number (13511445).

Almost surely, 2^27022889 is an apocalyptic number.

It is an amenable number.

27022889 is a deficient number, since it is larger than the sum of its proper divisors (1).

27022889 is an equidigital number, since it uses as much as digits as its factorization.

27022889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 27022889 is about 5198.3544511701. The cubic root of 27022889 is about 300.0847501299.

The spelling of 27022889 in words is "twenty-seven million, twenty-two thousand, eight hundred eighty-nine".