304430422 has 4 divisors (see below), whose sum is σ = 456645636. Its totient is φ = 152215210.

The previous prime is 304430417. The next prime is 304430449. The reversal of 304430422 is 224034403.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 304430393 and 304430402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76107604 + ... + 76107607.

It is an arithmetic number, because the mean of its divisors is an integer number (114161409).

Almost surely, 2^304430422 is an apocalyptic number.

304430422 is a deficient number, since it is larger than the sum of its proper divisors (152215214).

304430422 is a wasteful number, since it uses less digits than its factorization.

304430422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152215213.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 304430422 is about 17447.9346055629. The cubic root of 304430422 is about 672.7122712207.

Adding to 304430422 its reverse (224034403), we get a palindrome (528464825).

The spelling of 304430422 in words is "three hundred four million, four hundred thirty thousand, four hundred twenty-two".