298722224 has 20 divisors (see below), whose sum is σ = 591090144. Its totient is φ = 146182848.

The previous prime is 298722223. The next prime is 298722233. The reversal of 298722224 is 422227892.

It is a happy number.

It is a super-2 number, since 2×298722224² = 178469934223012352, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (298722223) 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 in 3 ways as a sum of consecutive naturals, for example, 197867 + ... + 199370.

Almost surely, 2^298722224 is an apocalyptic number.

It is an amenable number.

298722224 is a deficient number, since it is larger than the sum of its proper divisors (292367920).

298722224 is a wasteful number, since it uses less digits than its factorization.

298722224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397292 (or 397286 counting only the distinct ones).

The product of its digits is 64512, while the sum is 38.

The square root of 298722224 is about 17283.5824990075. The cubic root of 298722224 is about 668.4811693340.

The spelling of 298722224 in words is "two hundred ninety-eight million, seven hundred twenty-two thousand, two hundred twenty-four".