27022249 has 2 divisors, whose sum is σ = 27022250. Its totient is φ = 27022248.

The previous prime is 27022243. The next prime is 27022253. The reversal of 27022249 is 94222072.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22848400 + 4173849 = 4780^2 + 2043^2 .

It is a cyclic number.

It is not a de Polignac number, because 27022249 - 2³ = 27022241 is a prime.

It is not a weakly prime, because it can be changed into another prime (27022241) 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 as a sum of consecutive naturals, namely, 13511124 + 13511125.

It is an arithmetic number, because the mean of its divisors is an integer number (13511125).

Almost surely, 2^27022249 is an apocalyptic number.

It is an amenable number.

27022249 is a deficient number, since it is larger than the sum of its proper divisors (1).

27022249 is an equidigital number, since it uses as much as digits as its factorization.

27022249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 27022249 is about 5198.2928928640. The cubic root of 27022249 is about 300.0823810795.

The spelling of 27022249 in words is "twenty-seven million, twenty-two thousand, two hundred forty-nine".