225922556 has 12 divisors (see below), whose sum is σ = 398992440. Its totient is φ = 111924720.

The previous prime is 225922549. The next prime is 225922573. The reversal of 225922556 is 655229522.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258650 + ... + 259521.

It is an arithmetic number, because the mean of its divisors is an integer number (33249370).

Almost surely, 2^225922556 is an apocalyptic number.

It is an amenable number.

225922556 is a deficient number, since it is larger than the sum of its proper divisors (173069884).

225922556 is a wasteful number, since it uses less digits than its factorization.

225922556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518284 (or 518282 counting only the distinct ones).

The product of its digits is 108000, while the sum is 38.

The square root of 225922556 is about 15030.7204085500. The cubic root of 225922556 is about 609.0503507127.

The spelling of 225922556 in words is "two hundred twenty-five million, nine hundred twenty-two thousand, five hundred fifty-six".