225016324117 has 4 divisors (see below), whose sum is σ = 242325272140. Its totient is φ = 207707376096.

The previous prime is 225016323971. The next prime is 225016324121. The reversal of 225016324117 is 711423610522.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 88446165201 + 136570158916 = 297399^2 + 369554^2 .

It is a cyclic number.

It is not a de Polignac number, because 225016324117 - 2²⁷ = 224882106389 is a prime.

It is a super-2 number, since 2×225016324117² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225016324147) 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, 8654473992 + ... + 8654474017.

It is an arithmetic number, because the mean of its divisors is an integer number (60581318035).

Almost surely, 2^225016324117 is an apocalyptic number.

It is an amenable number.

225016324117 is a deficient number, since it is larger than the sum of its proper divisors (17308948023).

225016324117 is a wasteful number, since it uses less digits than its factorization.

225016324117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17308948022.

The product of its (nonzero) digits is 20160, while the sum is 34.

Adding to 225016324117 its reverse (711423610522), we get a palindrome (936439934639).

The spelling of 225016324117 in words is "two hundred twenty-five billion, sixteen million, three hundred twenty-four thousand, one hundred seventeen".