304212224 has 36 divisors (see below), whose sum is σ = 623667324. Its totient is φ = 147990528.

The previous prime is 304212217. The next prime is 304212253. The reversal of 304212224 is 422212403.

304212224 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 120121600 + 184090624 = 10960^2 + 13568^2 .

It is a junction number, because it is equal to n+sod(n) for n = 304212196 and 304212205.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6587 + ... + 25530.

Almost surely, 2^304212224 is an apocalyptic number.

It is an amenable number.

304212224 is an abundant number, since it is smaller than the sum of its proper divisors (319455100).

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

304212224 is an equidigital number, since it uses as much as digits as its factorization.

304212224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32170 (or 32156 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 304212224 is about 17441.6806529646. The cubic root of 304212224 is about 672.5515124787.

Adding to 304212224 its reverse (422212403), we get a palindrome (726424627).

The spelling of 304212224 in words is "three hundred four million, two hundred twelve thousand, two hundred twenty-four".