304226305 has 8 divisors (see below), whose sum is σ = 386546472. Its totient is φ = 229064448.

The previous prime is 304226287. The next prime is 304226311. The reversal of 304226305 is 503622403.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5489649 + 298736656 = 2343^2 + 17284^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 304226305 - 2⁷ = 304226177 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 304226305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1789482 + ... + 1789651.

It is an arithmetic number, because the mean of its divisors is an integer number (48318309).

Almost surely, 2^304226305 is an apocalyptic number.

It is an amenable number.

304226305 is a deficient number, since it is larger than the sum of its proper divisors (82320167).

304226305 is a wasteful number, since it uses less digits than its factorization.

304226305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3579155.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 304226305 is about 17442.0843077884. The cubic root of 304226305 is about 672.5618890634.

Adding to 304226305 its reverse (503622403), we get a palindrome (807848708).

The spelling of 304226305 in words is "three hundred four million, two hundred twenty-six thousand, three hundred five".