298255229 has 2 divisors, whose sum is σ = 298255230. Its totient is φ = 298255228.

The previous prime is 298255213. The next prime is 298255231. The reversal of 298255229 is 922552892.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 269846329 + 28408900 = 16427^2 + 5330^2 .

It is a cyclic number.

It is not a de Polignac number, because 298255229 - 2⁴ = 298255213 is a prime.

Together with 298255231, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 298255229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (298255129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149127614 + 149127615.

It is an arithmetic number, because the mean of its divisors is an integer number (149127615).

Almost surely, 2^298255229 is an apocalyptic number.

It is an amenable number.

298255229 is a deficient number, since it is larger than the sum of its proper divisors (1).

298255229 is an equidigital number, since it uses as much as digits as its factorization.

298255229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 259200, while the sum is 44.

The square root of 298255229 is about 17270.0674289361. The cubic root of 298255229 is about 668.1326402139.

The spelling of 298255229 in words is "two hundred ninety-eight million, two hundred fifty-five thousand, two hundred twenty-nine".