298225439 has 4 divisors (see below), whose sum is σ = 306285624. Its totient is φ = 290165256.

The previous prime is 298225393. The next prime is 298225451. The reversal of 298225439 is 934522892.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 298225439 - 2²⁸ = 29789983 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 298225439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298225639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4030037 + ... + 4030110.

It is an arithmetic number, because the mean of its divisors is an integer number (76571406).

Almost surely, 2^298225439 is an apocalyptic number.

298225439 is a deficient number, since it is larger than the sum of its proper divisors (8060185).

298225439 is an equidigital number, since it uses as much as digits as its factorization.

298225439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8060184.

The product of its digits is 311040, while the sum is 44.

The square root of 298225439 is about 17269.2049324802. The cubic root of 298225439 is about 668.1103949107.

The spelling of 298225439 in words is "two hundred ninety-eight million, two hundred twenty-five thousand, four hundred thirty-nine".