298900225 has 12 divisors (see below), whose sum is σ = 399147196. Its totient is φ = 220726080.

The previous prime is 298900219. The next prime is 298900237. The reversal of 298900225 is 522009892.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 25281 + 298874944 = 159^2 + 17288^2 .

It is not a de Polignac number, because 298900225 - 2¹⁹ = 298375937 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 459522 + ... + 460171.

Almost surely, 2^298900225 is an apocalyptic number.

298900225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

298900225 is a deficient number, since it is larger than the sum of its proper divisors (100246971).

298900225 is a wasteful number, since it uses less digits than its factorization.

298900225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919716 (or 919711 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 298900225 is about 17288.7311564499. The cubic root of 298900225 is about 668.6139199637.

The spelling of 298900225 in words is "two hundred ninety-eight million, nine hundred thousand, two hundred twenty-five".