225022116171 has 8 divisors (see below), whose sum is σ = 309707858944. Its totient is φ = 145175558760.

The previous prime is 225022116161. The next prime is 225022116191. The reversal of 225022116171 is 171611220522.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 225022116171 - 2¹¹ = 225022114123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225022116131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1209796231 + ... + 1209796416.

It is an arithmetic number, because the mean of its divisors is an integer number (38713482368).

Almost surely, 2^225022116171 is an apocalyptic number.

225022116171 is a deficient number, since it is larger than the sum of its proper divisors (84685742773).

225022116171 is a wasteful number, since it uses less digits than its factorization.

225022116171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2419592681.

The product of its (nonzero) digits is 3360, while the sum is 30.

Adding to 225022116171 its reverse (171611220522), we get a palindrome (396633336693).

The spelling of 225022116171 in words is "two hundred twenty-five billion, twenty-two million, one hundred sixteen thousand, one hundred seventy-one".