225432245171 has 16 divisors (see below), whose sum is σ = 278526332160. Its totient is φ = 178110252000.

The previous prime is 225432245147. The next prime is 225432245221. The reversal of 225432245171 is 171542234522.

It is a cyclic number.

It is not a de Polignac number, because 225432245171 - 2²² = 225428050867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225432245141) 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, 22900205 + ... + 22910046.

It is an arithmetic number, because the mean of its divisors is an integer number (17407895760).

Almost surely, 2^225432245171 is an apocalyptic number.

225432245171 is a deficient number, since it is larger than the sum of its proper divisors (53094086989).

225432245171 is a wasteful number, since it uses less digits than its factorization.

225432245171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45810314.

The product of its digits is 134400, while the sum is 38.

Adding to 225432245171 its reverse (171542234522), we get a palindrome (396974479693).

The spelling of 225432245171 in words is "two hundred twenty-five billion, four hundred thirty-two million, two hundred forty-five thousand, one hundred seventy-one".