225225605345 has 32 divisors (see below), whose sum is σ = 295205299200. Its totient is φ = 163954589184.

The previous prime is 225225605309. The next prime is 225225605347. The reversal of 225225605345 is 543506522522.

It is a cyclic number.

It is not a de Polignac number, because 225225605345 - 2⁶ = 225225605281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225225605347) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9663416 + ... + 9686694.

It is an arithmetic number, because the mean of its divisors is an integer number (9225165600).

Almost surely, 2^225225605345 is an apocalyptic number.

It is an amenable number.

225225605345 is a deficient number, since it is larger than the sum of its proper divisors (69979693855).

225225605345 is a wasteful number, since it uses less digits than its factorization.

225225605345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25409.

The product of its (nonzero) digits is 720000, while the sum is 41.

The spelling of 225225605345 in words is "two hundred twenty-five billion, two hundred twenty-five million, six hundred five thousand, three hundred forty-five".