225603631768 has 16 divisors (see below), whose sum is σ = 426235871160. Its totient is φ = 111940732800.

The previous prime is 225603631709. The next prime is 225603631787. The reversal of 225603631768 is 867136306522.

225603631768 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×225603631768² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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, 107634273 + ... + 107636368.

Almost surely, 2^225603631768 is an apocalyptic number.

It is an amenable number.

225603631768 is a deficient number, since it is larger than the sum of its proper divisors (200632239392).

225603631768 is a wasteful number, since it uses less digits than its factorization.

225603631768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215270778 (or 215270774 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 49.

The spelling of 225603631768 in words is "two hundred twenty-five billion, six hundred three million, six hundred thirty-one thousand, seven hundred sixty-eight".