256228108 has 24 divisors (see below), whose sum is σ = 476406000. Its totient is φ = 120351168.

The previous prime is 256228103. The next prime is 256228123. The reversal of 256228108 is 801822652.

It is not an unprimeable number, because it can be changed into a prime (256228103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25558 + ... + 34141.

It is an arithmetic number, because the mean of its divisors is an integer number (19850250).

Almost surely, 2^256228108 is an apocalyptic number.

It is an amenable number.

256228108 is a deficient number, since it is larger than the sum of its proper divisors (220177892).

256228108 is a wasteful number, since it uses less digits than its factorization.

256228108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59769 (or 59767 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 256228108 is about 16007.1267877780. The cubic root of 256228108 is about 635.1489579661.

The spelling of 256228108 in words is "two hundred fifty-six million, two hundred twenty-eight thousand, one hundred eight".