255722812 has 12 divisors (see below), whose sum is σ = 462946680. Its totient is φ = 123452336.

The previous prime is 255722807. The next prime is 255722837. The reversal of 255722812 is 218227552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1102138 + ... + 1102369.

It is an arithmetic number, because the mean of its divisors is an integer number (38578890).

Almost surely, 2^255722812 is an apocalyptic number.

It is an amenable number.

255722812 is a deficient number, since it is larger than the sum of its proper divisors (207223868).

255722812 is a wasteful number, since it uses less digits than its factorization.

255722812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2204540 (or 2204538 counting only the distinct ones).

The product of its digits is 22400, while the sum is 34.

The square root of 255722812 is about 15991.3355289669. The cubic root of 255722812 is about 634.7311669190.

The spelling of 255722812 in words is "two hundred fifty-five million, seven hundred twenty-two thousand, eight hundred twelve".