304422312 has 32 divisors (see below), whose sum is σ = 763670880. Its totient is φ = 101125440.

The previous prime is 304422311. The next prime is 304422331. The reversal of 304422312 is 213224403.

304422312 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (304422311) 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, 14614 + ... + 28677.

It is an arithmetic number, because the mean of its divisors is an integer number (23864715).

Almost surely, 2^304422312 is an apocalyptic number.

It is an amenable number.

304422312 is an abundant number, since it is smaller than the sum of its proper divisors (459248568).

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

304422312 is a wasteful number, since it uses less digits than its factorization.

304422312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43593 (or 43589 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 304422312 is about 17447.7021982839. The cubic root of 304422312 is about 672.7062975022.

Adding to 304422312 its reverse (213224403), we get a palindrome (517646715).

The spelling of 304422312 in words is "three hundred four million, four hundred twenty-two thousand, three hundred twelve".