256222602108 has 96 divisors (see below), whose sum is σ = 730376478720. Its totient is φ = 77031803520.

The previous prime is 256222602101. The next prime is 256222602121. The reversal of 256222602108 is 801206222652.

256222602108 is a `hidden beast` number, since 2 + 5 + 622 + 2 + 6 + 0 + 21 + 0 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256222602101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 698241 + ... + 999992.

It is an arithmetic number, because the mean of its divisors is an integer number (7608088320).

Almost surely, 2^256222602108 is an apocalyptic number.

It is an amenable number.

256222602108 is an abundant number, since it is smaller than the sum of its proper divisors (474153876612).

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

256222602108 is a wasteful number, since it uses less digits than its factorization.

256222602108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1698384 (or 1698376 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The spelling of 256222602108 in words is "two hundred fifty-six billion, two hundred twenty-two million, six hundred two thousand, one hundred eight".