255228822 has 48 divisors (see below), whose sum is σ = 567927360. Its totient is φ = 82794096.

The previous prime is 255228791. The next prime is 255228839. The reversal of 255228822 is 228822552.

255228822 is a `hidden beast` number, since 2 + 552 + 2 + 88 + 22 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 323913 + ... + 324699.

It is an arithmetic number, because the mean of its divisors is an integer number (11831820).

Almost surely, 2^255228822 is an apocalyptic number.

255228822 is an abundant number, since it is smaller than the sum of its proper divisors (312698538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255228822 is a wasteful number, since it uses less digits than its factorization.

255228822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257 (or 1254 counting only the distinct ones).

The product of its digits is 51200, while the sum is 36.

The square root of 255228822 is about 15975.8825108349. The cubic root of 255228822 is about 634.3221915872.

The spelling of 255228822 in words is "two hundred fifty-five million, two hundred twenty-eight thousand, eight hundred twenty-two".