304422313 has 16 divisors (see below), whose sum is σ = 349484800. Its totient is φ = 262828800.

The previous prime is 304422311. The next prime is 304422331. The reversal of 304422313 is 313224403.

It is a happy number.

It is not a de Polignac number, because 304422313 - 2¹ = 304422311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (304422311) 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, 11713 + ... + 27313.

It is an arithmetic number, because the mean of its divisors is an integer number (21842800).

Almost surely, 2^304422313 is an apocalyptic number.

It is an amenable number.

304422313 is a deficient number, since it is larger than the sum of its proper divisors (45062487).

304422313 is a wasteful number, since it uses less digits than its factorization.

304422313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15712.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 304422313 is about 17447.7022269409. The cubic root of 304422313 is about 672.7062982387.

Adding to 304422313 its reverse (313224403), we get a palindrome (617646716).

The spelling of 304422313 in words is "three hundred four million, four hundred twenty-two thousand, three hundred thirteen".