304889222 has 8 divisors (see below), whose sum is σ = 498909672. Its totient is φ = 138586000.

The previous prime is 304889177. The next prime is 304889279. The reversal of 304889222 is 222988403.

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

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 6929279 + ... + 6929322.

It is an arithmetic number, because the mean of its divisors is an integer number (62363709).

Almost surely, 2^304889222 is an apocalyptic number.

304889222 is a deficient number, since it is larger than the sum of its proper divisors (194020450).

304889222 is a wasteful number, since it uses less digits than its factorization.

304889222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13858614.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 304889222 is about 17461.0773436234. The cubic root of 304889222 is about 673.0500445937.

The spelling of 304889222 in words is "three hundred four million, eight hundred eighty-nine thousand, two hundred twenty-two".