204225856 has 28 divisors (see below), whose sum is σ = 408371040. Its totient is φ = 101329280.

The previous prime is 204225841. The next prime is 204225863. The reversal of 204225856 is 658522402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3796 + ... + 20563.

It is an arithmetic number, because the mean of its divisors is an integer number (14584680).

Almost surely, 2^204225856 is an apocalyptic number.

It is an amenable number.

204225856 is a deficient number, since it is larger than the sum of its proper divisors (204145184).

204225856 is a wasteful number, since it uses less digits than its factorization.

204225856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24502 (or 24492 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

The square root of 204225856 is about 14290.7612113561. The cubic root of 204225856 is about 588.8937001361.

The spelling of 204225856 in words is "two hundred four million, two hundred twenty-five thousand, eight hundred fifty-six".