27274229 has 2 divisors, whose sum is σ = 27274230. Its totient is φ = 27274228.

The previous prime is 27274223. The next prime is 27274243. The reversal of 27274229 is 92247272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27019204 + 255025 = 5198^2 + 505^2 .

It is a cyclic number.

It is not a de Polignac number, because 27274229 - 2²⁰ = 26225653 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27274223) 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, 13637114 + 13637115.

It is an arithmetic number, because the mean of its divisors is an integer number (13637115).

Almost surely, 2^27274229 is an apocalyptic number.

It is an amenable number.

27274229 is a deficient number, since it is larger than the sum of its proper divisors (1).

27274229 is an equidigital number, since it uses as much as digits as its factorization.

27274229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28224, while the sum is 35.

The square root of 27274229 is about 5222.4734561317. The cubic root of 27274229 is about 301.0122436641.

The spelling of 27274229 in words is "twenty-seven million, two hundred seventy-four thousand, two hundred twenty-nine".