255222064 has 20 divisors (see below), whose sum is σ = 495738360. Its totient is φ = 127289600.

The previous prime is 255222049. The next prime is 255222073. The reversal of 255222064 is 460222552.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13474 + ... + 26305.

It is an arithmetic number, because the mean of its divisors is an integer number (24786918).

Almost surely, 2^255222064 is an apocalyptic number.

It is an amenable number.

255222064 is a deficient number, since it is larger than the sum of its proper divisors (240516296).

255222064 is a wasteful number, since it uses less digits than its factorization.

255222064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40188 (or 40182 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 255222064 is about 15975.6710031222. The cubic root of 255222064 is about 634.3165929676.

The spelling of 255222064 in words is "two hundred fifty-five million, two hundred twenty-two thousand, sixty-four".