256828322 has 8 divisors (see below), whose sum is σ = 395654556. Its totient is φ = 124943472.

The previous prime is 256828267. The next prime is 256828343. The reversal of 256828322 is 223828652.

It can be written as a sum of positive squares in 2 ways, for example, as 256608361 + 219961 = 16019^2 + 469^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1735253 + ... + 1735400.

Almost surely, 2^256828322 is an apocalyptic number.

256828322 is a deficient number, since it is larger than the sum of its proper divisors (138826234).

256828322 is a wasteful number, since it uses less digits than its factorization.

256828322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3470692.

The product of its digits is 92160, while the sum is 38.

The square root of 256828322 is about 16025.8641576671. The cubic root of 256828322 is about 635.6445164136.

The spelling of 256828322 in words is "two hundred fifty-six million, eight hundred twenty-eight thousand, three hundred twenty-two".