225208856 has 8 divisors (see below), whose sum is σ = 422266620. Its totient is φ = 112604424.

The previous prime is 225208849. The next prime is 225208861. The reversal of 225208856 is 658802522.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14075546 + ... + 14075561.

Almost surely, 2^225208856 is an apocalyptic number.

It is an amenable number.

225208856 is a deficient number, since it is larger than the sum of its proper divisors (197057764).

225208856 is a wasteful number, since it uses less digits than its factorization.

225208856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28151113 (or 28151109 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 38.

The square root of 225208856 is about 15006.9602518298. The cubic root of 225208856 is about 608.4083345988.

The spelling of 225208856 in words is "two hundred twenty-five million, two hundred eight thousand, eight hundred fifty-six".