304422664 has 64 divisors (see below), whose sum is σ = 733098240. Its totient is φ = 115188480.

The previous prime is 304422659. The next prime is 304422667. The reversal of 304422664 is 466224403.

It is not an unprimeable number, because it can be changed into a prime (304422667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7654 + ... + 25834.

It is an arithmetic number, because the mean of its divisors is an integer number (11454660).

Almost surely, 2^304422664 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 304422664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (366549120).

304422664 is an abundant number, since it is smaller than the sum of its proper divisors (428675576).

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

304422664 is a wasteful number, since it uses less digits than its factorization.

304422664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18230 (or 18226 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

The square root of 304422664 is about 17447.7122855691. The cubic root of 304422664 is about 672.7065567829.

The spelling of 304422664 in words is "three hundred four million, four hundred twenty-two thousand, six hundred sixty-four".