304220444 has 12 divisors (see below), whose sum is σ = 580784568. Its totient is φ = 138282000.

The previous prime is 304220437. The next prime is 304220447. The reversal of 304220444 is 444022403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304220447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3457007 + ... + 3457094.

It is an arithmetic number, because the mean of its divisors is an integer number (48398714).

Almost surely, 2^304220444 is an apocalyptic number.

It is an amenable number.

304220444 is a deficient number, since it is larger than the sum of its proper divisors (276564124).

304220444 is a wasteful number, since it uses less digits than its factorization.

304220444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6914116 (or 6914114 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 304220444 is about 17441.9162938021. The cubic root of 304220444 is about 672.5575700083.

Adding to 304220444 its reverse (444022403), we get a palindrome (748242847).

The spelling of 304220444 in words is "three hundred four million, two hundred twenty thousand, four hundred forty-four".