256326322 has 16 divisors (see below), whose sum is σ = 445976640. Its totient is φ = 108214128.

The previous prime is 256326313. The next prime is 256326337. The reversal of 256326322 is 223623652.

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, 135697 + ... + 137572.

It is an arithmetic number, because the mean of its divisors is an integer number (27873540).

Almost surely, 2^256326322 is an apocalyptic number.

256326322 is a deficient number, since it is larger than the sum of its proper divisors (189650318).

256326322 is a wasteful number, since it uses less digits than its factorization.

256326322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273345.

The product of its digits is 25920, while the sum is 31.

The square root of 256326322 is about 16010.1943148733. The cubic root of 256326322 is about 635.2300999241.

Adding to 256326322 its reverse (223623652), we get a palindrome (479949974).

The spelling of 256326322 in words is "two hundred fifty-six million, three hundred twenty-six thousand, three hundred twenty-two".