256364122 has 8 divisors (see below), whose sum is σ = 439481376. Its totient is φ = 109870332.

The previous prime is 256364111. The next prime is 256364149. The reversal of 256364122 is 221463652.

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 9155848 + ... + 9155875.

It is an arithmetic number, because the mean of its divisors is an integer number (54935172).

Almost surely, 2^256364122 is an apocalyptic number.

256364122 is a deficient number, since it is larger than the sum of its proper divisors (183117254).

256364122 is a wasteful number, since it uses less digits than its factorization.

256364122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18311732.

The product of its digits is 17280, while the sum is 31.

The square root of 256364122 is about 16011.3747692070. The cubic root of 256364122 is about 635.2613238179.

The spelling of 256364122 in words is "two hundred fifty-six million, three hundred sixty-four thousand, one hundred twenty-two".