256700322 has 48 divisors (see below), whose sum is σ = 567698040. Its totient is φ = 83808000.

The previous prime is 256700321. The next prime is 256700363. The reversal of 256700322 is 223007652.

It can be written as a sum of positive squares in 4 ways, for example, as 163558521 + 93141801 = 12789^2 + 9651^2 .

It is not an unprimeable number, because it can be changed into a prime (256700321) 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 23 ways as a sum of consecutive naturals, for example, 426822 + ... + 427422.

Almost surely, 2^256700322 is an apocalyptic number.

256700322 is an abundant number, since it is smaller than the sum of its proper divisors (310997718).

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

256700322 is a wasteful number, since it uses less digits than its factorization.

256700322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059 (or 1056 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 256700322 is about 16021.8701155639. The cubic root of 256700322 is about 635.5388997927.

Adding to 256700322 its reverse (223007652), we get a palindrome (479707974).

The spelling of 256700322 in words is "two hundred fifty-six million, seven hundred thousand, three hundred twenty-two".