304322223 has 32 divisors (see below), whose sum is σ = 437690880. Its totient is φ = 187608960.

The previous prime is 304322209. The next prime is 304322233. The reversal of 304322223 is 322223403.

It is not a de Polignac number, because 304322223 - 2¹⁴ = 304305839 is a prime.

It is a super-2 number, since 2×304322223² = 185224030823323458, 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 304322223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304322203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 322933 + ... + 323873.

It is an arithmetic number, because the mean of its divisors is an integer number (13677840).

Almost surely, 2^304322223 is an apocalyptic number.

304322223 is a deficient number, since it is larger than the sum of its proper divisors (133368657).

304322223 is a wasteful number, since it uses less digits than its factorization.

304322223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1119.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 304322223 is about 17444.8337051403. The cubic root of 304322223 is about 672.6325645350.

Adding to 304322223 its reverse (322223403), we get a palindrome (626545626).

The spelling of 304322223 in words is "three hundred four million, three hundred twenty-two thousand, two hundred twenty-three".