298145220 has 24 divisors (see below), whose sum is σ = 834806784. Its totient is φ = 79505376.

The previous prime is 298145219. The next prime is 298145279. The reversal of 298145220 is 22541892.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2484484 + ... + 2484603.

It is an arithmetic number, because the mean of its divisors is an integer number (34783616).

Almost surely, 2^298145220 is an apocalyptic number.

298145220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

298145220 is an abundant number, since it is smaller than the sum of its proper divisors (536661564).

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

298145220 is a wasteful number, since it uses less digits than its factorization.

298145220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4969099 (or 4969097 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 298145220 is about 17266.8821736873. The cubic root of 298145220 is about 668.0504850271.

The spelling of 298145220 in words is "two hundred ninety-eight million, one hundred forty-five thousand, two hundred twenty".