320315226 has 32 divisors (see below), whose sum is σ = 798709248. Its totient is φ = 83198640.

The previous prime is 320315221. The next prime is 320315231. The reversal of 320315226 is 622513023.

It is an interprime number because it is at equal distance from previous prime (320315221) and next prime (320315231).

It is a junction number, because it is equal to n+sod(n) for n = 320315196 and 320315205.

It is not an unprimeable number, because it can be changed into a prime (320315221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 346200 + ... + 347123.

It is an arithmetic number, because the mean of its divisors is an integer number (24959664).

Almost surely, 2^320315226 is an apocalyptic number.

320315226 is an abundant number, since it is smaller than the sum of its proper divisors (478394022).

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

320315226 is a wasteful number, since it uses less digits than its factorization.

320315226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693346.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 320315226 is about 17897.3524857729. The cubic root of 320315226 is about 684.2149003285.

Adding to 320315226 its reverse (622513023), we get a palindrome (942828249).

The spelling of 320315226 in words is "three hundred twenty million, three hundred fifteen thousand, two hundred twenty-six".