298225997 has 2 divisors, whose sum is σ = 298225998. Its totient is φ = 298225996.

The previous prime is 298225973. The next prime is 298226021. The reversal of 298225997 is 799522892.

It is a balanced prime because it is at equal distance from previous prime (298225973) and next prime (298226021).

It can be written as a sum of positive squares in only one way, i.e., 294946276 + 3279721 = 17174^2 + 1811^2 .

It is a cyclic number.

It is not a de Polignac number, because 298225997 - 2⁶ = 298225933 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 (298225897) 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, 149112998 + 149112999.

It is an arithmetic number, because the mean of its divisors is an integer number (149112999).

Almost surely, 2^298225997 is an apocalyptic number.

It is an amenable number.

298225997 is a deficient number, since it is larger than the sum of its proper divisors (1).

298225997 is an equidigital number, since it uses as much as digits as its factorization.

298225997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 53.

The square root of 298225997 is about 17269.2210883989. The cubic root of 298225997 is about 668.1108116037.

The spelling of 298225997 in words is "two hundred ninety-eight million, two hundred twenty-five thousand, nine hundred ninety-seven".