304222336 has 64 divisors (see below), whose sum is σ = 664020000. Its totient is φ = 137687040.

The previous prime is 304222333. The next prime is 304222363. The reversal of 304222336 is 633222403.

It is a happy number.

304222336 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 304222336.

It is not an unprimeable number, because it can be changed into a prime (304222333) 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, 609415 + ... + 609913.

Almost surely, 2^304222336 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 304222336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332010000).

304222336 is an abundant number, since it is smaller than the sum of its proper divisors (359797664).

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

304222336 is a wasteful number, since it uses less digits than its factorization.

304222336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957 (or 945 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 25.

The square root of 304222336 is about 17441.9705308775. The cubic root of 304222336 is about 672.5589642564.

Adding to 304222336 its reverse (633222403), we get a palindrome (937444739).

The spelling of 304222336 in words is "three hundred four million, two hundred twenty-two thousand, three hundred thirty-six".