256332322 has 4 divisors (see below), whose sum is σ = 384498486. Its totient is φ = 128166160.

The previous prime is 256332319. The next prime is 256332347. The reversal of 256332322 is 223233652.

256332322 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 173686041 + 82646281 = 13179^2 + 9091^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 64083079 + ... + 64083082.

Almost surely, 2^256332322 is an apocalyptic number.

256332322 is a deficient number, since it is larger than the sum of its proper divisors (128166164).

256332322 is a wasteful number, since it uses less digits than its factorization.

256332322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128166163.

The product of its digits is 12960, while the sum is 28.

The square root of 256332322 is about 16010.3816943882. The cubic root of 256332322 is about 635.2350563027.

Adding to 256332322 its reverse (223233652), we get a palindrome (479565974).

The spelling of 256332322 in words is "two hundred fifty-six million, three hundred thirty-two thousand, three hundred twenty-two".