298255218 has 8 divisors (see below), whose sum is σ = 596510448. Its totient is φ = 99418404.

The previous prime is 298255213. The next prime is 298255229. The reversal of 298255218 is 812552892.

It is a sphenic number, since it is the product of 3 distinct primes.

298255218 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 298255218.

It is not an unprimeable number, because it can be changed into a prime (298255211) 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, 24854596 + ... + 24854607.

It is an arithmetic number, because the mean of its divisors is an integer number (74563806).

Almost surely, 2^298255218 is an apocalyptic number.

298255218 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

298255218 is a wasteful number, since it uses less digits than its factorization.

298255218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49709208.

The product of its digits is 115200, while the sum is 42.

The square root of 298255218 is about 17270.0671104660. The cubic root of 298255218 is about 668.1326320001.

The spelling of 298255218 in words is "two hundred ninety-eight million, two hundred fifty-five thousand, two hundred eighteen".