304002228 has 24 divisors (see below), whose sum is σ = 751064832. Its totient is φ = 95373184.

The previous prime is 304002227. The next prime is 304002233. The reversal of 304002228 is 822200403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304002227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 744900 + ... + 745307.

It is an arithmetic number, because the mean of its divisors is an integer number (31294368).

Almost surely, 2^304002228 is an apocalyptic number.

It is an amenable number.

304002228 is an abundant number, since it is smaller than the sum of its proper divisors (447062604).

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

304002228 is a wasteful number, since it uses less digits than its factorization.

304002228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1490231 (or 1490229 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 304002228 is about 17435.6596663275. The cubic root of 304002228 is about 672.3967240052.

The spelling of 304002228 in words is "three hundred four million, two thousand, two hundred twenty-eight".