304344222 has 64 divisors (see below), whose sum is σ = 757693440. Its totient is φ = 79352064.

The previous prime is 304344221. The next prime is 304344233. The reversal of 304344222 is 222443403.

It is a junction number, because it is equal to n+sod(n) for n = 304344192 and 304344201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304344221) 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, 45463 + ... + 51725.

It is an arithmetic number, because the mean of its divisors is an integer number (11838960).

Almost surely, 2^304344222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 304344222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (378846720).

304344222 is an abundant number, since it is smaller than the sum of its proper divisors (453349218).

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

304344222 is a wasteful number, since it uses less digits than its factorization.

304344222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6377.

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 304344222 is about 17445.4642242618. The cubic root of 304344222 is about 672.6487720130.

Adding to 304344222 its reverse (222443403), we get a palindrome (526787625).

The spelling of 304344222 in words is "three hundred four million, three hundred forty-four thousand, two hundred twenty-two".