306968227 has 2 divisors, whose sum is σ = 306968228. Its totient is φ = 306968226.

The previous prime is 306968191. The next prime is 306968251. The reversal of 306968227 is 722869603.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 306968227 - 2¹⁹ = 306443939 is a prime.

It is not a weakly prime, because it can be changed into another prime (306968267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153484113 + 153484114.

It is an arithmetic number, because the mean of its divisors is an integer number (153484114).

Almost surely, 2^306968227 is an apocalyptic number.

306968227 is a deficient number, since it is larger than the sum of its proper divisors (1).

306968227 is an equidigital number, since it uses as much as digits as its factorization.

306968227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 306968227 is about 17520.5087540288. The cubic root of 306968227 is about 674.5763977777.

The spelling of 306968227 in words is "three hundred six million, nine hundred sixty-eight thousand, two hundred twenty-seven".