225613355772 has 24 divisors (see below), whose sum is σ = 601635615616. Its totient is φ = 64460958768.

The previous prime is 225613355749. The next prime is 225613355801. The reversal of 225613355772 is 277553316522.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1342936558 + ... + 1342936725.

Almost surely, 2^225613355772 is an apocalyptic number.

It is an amenable number.

225613355772 is an abundant number, since it is smaller than the sum of its proper divisors (376022259844).

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

225613355772 is a wasteful number, since it uses less digits than its factorization.

225613355772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2685873297 (or 2685873295 counting only the distinct ones).

The product of its digits is 2646000, while the sum is 48.

The spelling of 225613355772 in words is "two hundred twenty-five billion, six hundred thirteen million, three hundred fifty-five thousand, seven hundred seventy-two".