225661752452 has 12 divisors (see below), whose sum is σ = 394915858176. Its totient is φ = 112828650120.

The previous prime is 225661752409. The next prime is 225661752497. The reversal of 225661752452 is 254257166522.

It is a junction number, because it is equal to n+sod(n) for n = 225661752397 and 225661752406.

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, 316988 + ... + 742835.

It is an arithmetic number, because the mean of its divisors is an integer number (32909654848).

Almost surely, 2^225661752452 is an apocalyptic number.

It is an amenable number.

225661752452 is a deficient number, since it is larger than the sum of its proper divisors (169254105724).

225661752452 is a wasteful number, since it uses less digits than its factorization.

225661752452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113058 (or 1113056 counting only the distinct ones).

The product of its digits is 2016000, while the sum is 47.

The spelling of 225661752452 in words is "two hundred twenty-five billion, six hundred sixty-one million, seven hundred fifty-two thousand, four hundred fifty-two".