304122222 has 16 divisors (see below), whose sum is σ = 675827280. Its totient is φ = 101374056.

The previous prime is 304122199. The next prime is 304122241. The reversal of 304122222 is 222221403.

304122222 is a `hidden beast` number, since 30 + 412 + 2 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 304122195 and 304122204.

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 7 ways as a sum of consecutive naturals, for example, 2815893 + ... + 2816000.

It is an arithmetic number, because the mean of its divisors is an integer number (42239205).

Almost surely, 2^304122222 is an apocalyptic number.

304122222 is an abundant number, since it is smaller than the sum of its proper divisors (371705058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

304122222 is a wasteful number, since it uses less digits than its factorization.

304122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5631904 (or 5631898 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 304122222 is about 17439.1003781732. The cubic root of 304122222 is about 672.4851805490.

Adding to 304122222 its reverse (222221403), we get a palindrome (526343625).

The spelling of 304122222 in words is "three hundred four million, one hundred twenty-two thousand, two hundred twenty-two".