256225486 has 32 divisors (see below), whose sum is σ = 427376736. Its totient is φ = 115192000.

The previous prime is 256225477. The next prime is 256225493. The reversal of 256225486 is 684522652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268386 + ... + 269338.

It is an arithmetic number, because the mean of its divisors is an integer number (13355523).

Almost surely, 2^256225486 is an apocalyptic number.

256225486 is a deficient number, since it is larger than the sum of its proper divisors (171151250).

256225486 is a wasteful number, since it uses less digits than its factorization.

256225486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089 (or 1067 counting only the distinct ones).

The product of its digits is 230400, while the sum is 40.

The square root of 256225486 is about 16007.0448865492. The cubic root of 256225486 is about 635.1467914509.

The spelling of 256225486 in words is "two hundred fifty-six million, two hundred twenty-five thousand, four hundred eighty-six".