304222 has 4 divisors (see below), whose sum is σ = 456336. Its totient is φ = 152110.

The previous prime is 304217. The next prime is 304223. The reversal of 304222 is 222403.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304223) by changing a digit.

304222 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76054 + ... + 76057.

It is an arithmetic number, because the mean of its divisors is an integer number (114084).

2³⁰⁴²²² is an apocalyptic number.

304222 is a deficient number, since it is larger than the sum of its proper divisors (152114).

304222 is a wasteful number, since it uses less digits than its factorization.

304222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152113.

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 304222 is about 551.5632330023. The cubic root of 304222 is about 67.2558716652.

Adding to 304222 its reverse (222403), we get a palindrome (526625).

The spelling of 304222 in words is "three hundred four thousand, two hundred twenty-two", and thus it is an iban number.