304422222 has 32 divisors (see below), whose sum is σ = 678293280. Its totient is φ = 90437760.

The previous prime is 304422143. The next prime is 304422229. The reversal of 304422222 is 222224403.

304422222 is a modest number, since divided by 22222 gives 3044 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304422229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65029 + ... + 69552.

It is an arithmetic number, because the mean of its divisors is an integer number (21196665).

Almost surely, 2^304422222 is an apocalyptic number.

304422222 is an abundant number, since it is smaller than the sum of its proper divisors (373871058).

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

304422222 is a wasteful number, since it uses less digits than its factorization.

304422222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134628.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 304422222 is about 17447.6996191475. The cubic root of 304422222 is about 672.7062312088.

Adding to 304422222 its reverse (222224403), we get a palindrome (526646625).

The spelling of 304422222 in words is "three hundred four million, four hundred twenty-two thousand, two hundred twenty-two".