304430222 has 16 divisors (see below), whose sum is σ = 465130512. Its totient is φ = 149410560.

The previous prime is 304430219. The next prime is 304430227. The reversal of 304430222 is 222034403.

It is a junction number, because it is equal to n+sod(n) for n = 304430194 and 304430203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304430227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20222 + ... + 31902.

It is an arithmetic number, because the mean of its divisors is an integer number (29070657).

Almost surely, 2^304430222 is an apocalyptic number.

304430222 is a deficient number, since it is larger than the sum of its proper divisors (160700290).

304430222 is a wasteful number, since it uses less digits than its factorization.

304430222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11923.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 304430222 is about 17447.9288742246. The cubic root of 304430222 is about 672.7121239046.

Adding to 304430222 its reverse (222034403), we get a palindrome (526464625).

The spelling of 304430222 in words is "three hundred four million, four hundred thirty thousand, two hundred twenty-two".