256057672022 has 4 divisors (see below), whose sum is σ = 384086508036. Its totient is φ = 128028836010.

The previous prime is 256057672021. The next prime is 256057672063. The reversal of 256057672022 is 220276750652.

It is a happy number.

256057672022 is digitally balanced in base 2, 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 is a super-2 number, since 2×256057672022² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256057672021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64014418004 + ... + 64014418007.

It is an arithmetic number, because the mean of its divisors is an integer number (96021627009).

Almost surely, 2^256057672022 is an apocalyptic number.

256057672022 is a deficient number, since it is larger than the sum of its proper divisors (128028836014).

256057672022 is a wasteful number, since it uses less digits than its factorization.

256057672022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128028836013.

The product of its (nonzero) digits is 705600, while the sum is 44.

The spelling of 256057672022 in words is "two hundred fifty-six billion, fifty-seven million, six hundred seventy-two thousand, twenty-two".