304422630 has 32 divisors (see below), whose sum is σ = 735001344. Its totient is φ = 80691936.

The previous prime is 304422623. The next prime is 304422659. The reversal of 304422630 is 36224403.

It is a happy number.

It is a super-2 number, since 2×304422630² = 185346275312233800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 304422630.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25372 + ... + 35391.

It is an arithmetic number, because the mean of its divisors is an integer number (22968792).

Almost surely, 2^304422630 is an apocalyptic number.

304422630 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

304422630 is an abundant number, since it is smaller than the sum of its proper divisors (430578714).

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

304422630 is a wasteful number, since it uses less digits than its factorization.

304422630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60940.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 304422630 is about 17447.7113112293. The cubic root of 304422630 is about 672.7065317387.

The spelling of 304422630 in words is "three hundred four million, four hundred twenty-two thousand, six hundred thirty".