255224656 has 10 divisors (see below), whose sum is σ = 494497802. Its totient is φ = 127612320.

The previous prime is 255224653. The next prime is 255224681. The reversal of 255224656 is 656422552.

It can be written as a sum of positive squares in only one way, i.e., 220225600 + 34999056 = 14840^2 + 5916^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255224653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7975755 + ... + 7975786.

Almost surely, 2^255224656 is an apocalyptic number.

It is an amenable number.

255224656 is a deficient number, since it is larger than the sum of its proper divisors (239273146).

255224656 is a wasteful number, since it uses less digits than its factorization.

255224656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15951549 (or 15951543 counting only the distinct ones).

The product of its digits is 144000, while the sum is 37.

The square root of 255224656 is about 15975.7521262694. The cubic root of 255224656 is about 634.3187403042.

The spelling of 255224656 in words is "two hundred fifty-five million, two hundred twenty-four thousand, six hundred fifty-six".