225016023017 has 4 divisors (see below), whose sum is σ = 225028344660. Its totient is φ = 225003701376.

The previous prime is 225016022993. The next prime is 225016023019. The reversal of 225016023017 is 710320610522.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 710320610522 = 2 ⋅355160305261.

It can be written as a sum of positive squares in 2 ways, for example, as 183748538281 + 41267484736 = 428659^2 + 203144^2 .

It is a cyclic number.

It is not a de Polignac number, because 225016023017 - 2³⁶ = 156296546281 is a prime.

It is a super-2 number, since 2×225016023017² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225016023019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6133388 + ... + 6169965.

It is an arithmetic number, because the mean of its divisors is an integer number (56257086165).

Almost surely, 2^225016023017 is an apocalyptic number.

It is an amenable number.

225016023017 is a deficient number, since it is larger than the sum of its proper divisors (12321643).

225016023017 is a wasteful number, since it uses less digits than its factorization.

225016023017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12321642.

The product of its (nonzero) digits is 5040, while the sum is 29.

Adding to 225016023017 its reverse (710320610522), we get a palindrome (935336633539).

The spelling of 225016023017 in words is "two hundred twenty-five billion, sixteen million, twenty-three thousand, seventeen".