298229231 has 2 divisors, whose sum is σ = 298229232. Its totient is φ = 298229230.

The previous prime is 298229227. The next prime is 298229233. The reversal of 298229231 is 132922892.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 298229231 - 2² = 298229227 is a prime.

It is a super-2 number, since 2×298229231² = 177881348445702722, which contains 22 as substring.

Together with 298229233, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (298229233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149114615 + 149114616.

It is an arithmetic number, because the mean of its divisors is an integer number (149114616).

Almost surely, 2^298229231 is an apocalyptic number.

298229231 is a deficient number, since it is larger than the sum of its proper divisors (1).

298229231 is an equidigital number, since it uses as much as digits as its factorization.

298229231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 38.

The square root of 298229231 is about 17269.3147229414. The cubic root of 298229231 is about 668.1132266207.

The spelling of 298229231 in words is "two hundred ninety-eight million, two hundred twenty-nine thousand, two hundred thirty-one".