255647228 has 12 divisors (see below), whose sum is σ = 450346512. Its totient is φ = 126976800.

The previous prime is 255647179. The next prime is 255647233. The reversal of 255647228 is 822746552.

255647228 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 211025 + ... + 212232.

It is an arithmetic number, because the mean of its divisors is an integer number (37528876).

Almost surely, 2^255647228 is an apocalyptic number.

It is an amenable number.

255647228 is a deficient number, since it is larger than the sum of its proper divisors (194699284).

255647228 is a wasteful number, since it uses less digits than its factorization.

255647228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423412 (or 423410 counting only the distinct ones).

The product of its digits is 268800, while the sum is 41.

The square root of 255647228 is about 15988.9720745269. The cubic root of 255647228 is about 634.6686249194.

The spelling of 255647228 in words is "two hundred fifty-five million, six hundred forty-seven thousand, two hundred twenty-eight".