255226808 has 8 divisors (see below), whose sum is σ = 478550280. Its totient is φ = 127613400.

The previous prime is 255226789. The next prime is 255226817. The reversal of 255226808 is 808622552.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15951668 + ... + 15951683.

It is an arithmetic number, because the mean of its divisors is an integer number (59818785).

Almost surely, 2^255226808 is an apocalyptic number.

It is an amenable number.

255226808 is a deficient number, since it is larger than the sum of its proper divisors (223323472).

255226808 is a wasteful number, since it uses less digits than its factorization.

255226808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31903357 (or 31903353 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 38.

The square root of 255226808 is about 15975.8194781989. The cubic root of 255226808 is about 634.3205231128.

The spelling of 255226808 in words is "two hundred fifty-five million, two hundred twenty-six thousand, eight hundred eight".