27328229 has 2 divisors, whose sum is σ = 27328230. Its totient is φ = 27328228.

The previous prime is 27328211. The next prime is 27328243. The reversal of 27328229 is 92282372.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13675204 + 13653025 = 3698^2 + 3695^2 .

It is a cyclic number.

It is not a de Polignac number, because 27328229 - 2⁸ = 27327973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27328729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13664114 + 13664115.

It is an arithmetic number, because the mean of its divisors is an integer number (13664115).

Almost surely, 2^27328229 is an apocalyptic number.

It is an amenable number.

27328229 is a deficient number, since it is larger than the sum of its proper divisors (1).

27328229 is an equidigital number, since it uses as much as digits as its factorization.

27328229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 35.

The square root of 27328229 is about 5227.6408637166. The cubic root of 27328229 is about 301.2107698437.

The spelling of 27328229 in words is "twenty-seven million, three hundred twenty-eight thousand, two hundred twenty-nine".