304221044 has 12 divisors (see below), whose sum is σ = 544768224. Its totient is φ = 148572984.

The previous prime is 304221031. The next prime is 304221089. The reversal of 304221044 is 440122403.

It is a super-2 number, since 2×304221044² = 185100887224899872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 884192 + ... + 884535.

It is an arithmetic number, because the mean of its divisors is an integer number (45397352).

Almost surely, 2^304221044 is an apocalyptic number.

It is an amenable number.

304221044 is a deficient number, since it is larger than the sum of its proper divisors (240547180).

304221044 is a wasteful number, since it uses less digits than its factorization.

304221044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1768774 (or 1768772 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 304221044 is about 17441.9334937386. The cubic root of 304221044 is about 672.5580121595.

Adding to 304221044 its reverse (440122403), we get a palindrome (744343447).

The spelling of 304221044 in words is "three hundred four million, two hundred twenty-one thousand, forty-four".