256222222653 has 32 divisors (see below), whose sum is σ = 359647459200. Its totient is φ = 162031435776.

The previous prime is 256222222621. The next prime is 256222222657. The reversal of 256222222653 is 356222222652.

256222222653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 256222222653 - 2⁵ = 256222222621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256222222657) 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 in 31 ways as a sum of consecutive naturals, for example, 1553718 + ... + 1710696.

It is an arithmetic number, because the mean of its divisors is an integer number (11238983100).

Almost surely, 2^256222222653 is an apocalyptic number.

It is an amenable number.

256222222653 is a deficient number, since it is larger than the sum of its proper divisors (103425236547).

256222222653 is a wasteful number, since it uses less digits than its factorization.

256222222653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157341.

The product of its digits is 345600, while the sum is 39.

Subtracting 256222222653 from its reverse (356222222652), we obtain a palindrome (99999999999).

The spelling of 256222222653 in words is "two hundred fifty-six billion, two hundred twenty-two million, two hundred twenty-two thousand, six hundred fifty-three".