297314221 has 2 divisors, whose sum is σ = 297314222. Its totient is φ = 297314220.

The previous prime is 297314191. The next prime is 297314243. The reversal of 297314221 is 122413792.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 195021225 + 102292996 = 13965^2 + 10114^2 .

It is a cyclic number.

It is not a de Polignac number, because 297314221 - 2²⁵ = 263759789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (297314321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 148657110 + 148657111.

It is an arithmetic number, because the mean of its divisors is an integer number (148657111).

Almost surely, 2^297314221 is an apocalyptic number.

It is an amenable number.

297314221 is a deficient number, since it is larger than the sum of its proper divisors (1).

297314221 is an equidigital number, since it uses as much as digits as its factorization.

297314221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 31.

The square root of 297314221 is about 17242.8020054746. The cubic root of 297314221 is about 667.4292375902.

The spelling of 297314221 in words is "two hundred ninety-seven million, three hundred fourteen thousand, two hundred twenty-one".