225655326436 has 48 divisors (see below), whose sum is σ = 401241568000. Its totient is φ = 111030175872.

The previous prime is 225655326419. The next prime is 225655326439. The reversal of 225655326436 is 634623556522.

It is a self number, because there is not a number n which added to its sum of digits gives 225655326436.

It is not an unprimeable number, because it can be changed into a prime (225655326439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99450310 + ... + 99452578.

Almost surely, 2^225655326436 is an apocalyptic number.

It is an amenable number.

225655326436 is a deficient number, since it is larger than the sum of its proper divisors (175586241564).

225655326436 is a wasteful number, since it uses less digits than its factorization.

225655326436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3788 (or 3786 counting only the distinct ones).

The product of its digits is 7776000, while the sum is 49.

The spelling of 225655326436 in words is "two hundred twenty-five billion, six hundred fifty-five million, three hundred twenty-six thousand, four hundred thirty-six".