304220612 has 12 divisors (see below), whose sum is σ = 533529360. Its totient is φ = 151783656.

The previous prime is 304220611. The next prime is 304220629. The reversal of 304220612 is 216022403.

It is not an unprimeable number, because it can be changed into a prime (304220611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79562 + ... + 83297.

It is an arithmetic number, because the mean of its divisors is an integer number (44460780).

Almost surely, 2^304220612 is an apocalyptic number.

It is an amenable number.

304220612 is a deficient number, since it is larger than the sum of its proper divisors (229308748).

304220612 is a wasteful number, since it uses less digits than its factorization.

304220612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163330 (or 163328 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 304220612 is about 17441.9211097860. The cubic root of 304220612 is about 672.5576938107.

The spelling of 304220612 in words is "three hundred four million, two hundred twenty thousand, six hundred twelve".