304222233 has 24 divisors (see below), whose sum is σ = 474343968. Its totient is φ = 172924416.

The previous prime is 304222229. The next prime is 304222241. The reversal of 304222233 is 332222403.

It is not a de Polignac number, because 304222233 - 2² = 304222229 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (304222213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23010 + ... + 33732.

It is an arithmetic number, because the mean of its divisors is an integer number (19764332).

Almost surely, 2^304222233 is an apocalyptic number.

It is an amenable number.

304222233 is a deficient number, since it is larger than the sum of its proper divisors (170121735).

304222233 is a wasteful number, since it uses less digits than its factorization.

304222233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10933 (or 10926 counting only the distinct ones).

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

The square root of 304222233 is about 17441.9675782292. The cubic root of 304222233 is about 672.5588883540.

Adding to 304222233 its reverse (332222403), we get a palindrome (636444636).

The spelling of 304222233 in words is "three hundred four million, two hundred twenty-two thousand, two hundred thirty-three".