255221896 has 16 divisors (see below), whose sum is σ = 478710540. Its totient is φ = 127565760.

The previous prime is 255221887. The next prime is 255221917. The reversal of 255221896 is 698122552.

It can be written as a sum of positive squares in 2 ways, for example, as 236852100 + 18369796 = 15390^2 + 4286^2 .

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, 41586 + ... + 47326.

Almost surely, 2^255221896 is an apocalyptic number.

It is an amenable number.

255221896 is a deficient number, since it is larger than the sum of its proper divisors (223488644).

255221896 is a wasteful number, since it uses less digits than its factorization.

255221896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11304 (or 11300 counting only the distinct ones).

The product of its digits is 86400, while the sum is 40.

The square root of 255221896 is about 15975.6657451262. The cubic root of 255221896 is about 634.3164537879.

The spelling of 255221896 in words is "two hundred fifty-five million, two hundred twenty-one thousand, eight hundred ninety-six".