304204224 has 56 divisors (see below), whose sum is σ = 807140880. Its totient is φ = 101115904.

The previous prime is 304204207. The next prime is 304204237. The reversal of 304204224 is 422402403.

It is a self number, because there is not a number n which added to its sum of digits gives 304204224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72652 + ... + 76724.

It is an arithmetic number, because the mean of its divisors is an integer number (14413230).

Almost surely, 2^304204224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 304204224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (403570440).

304204224 is an abundant number, since it is smaller than the sum of its proper divisors (502936656).

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

304204224 is a wasteful number, since it uses less digits than its factorization.

304204224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4477 (or 4467 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 304204224 is about 17441.4513157592. The cubic root of 304204224 is about 672.5456169680.

Adding to 304204224 its reverse (422402403), we get a palindrome (726606627).

The spelling of 304204224 in words is "three hundred four million, two hundred four thousand, two hundred twenty-four".