2217165113 has 8 divisors (see below), whose sum is σ = 2225471976. Its totient is φ = 2208870400.

The previous prime is 2217165107. The next prime is 2217165121. The reversal of 2217165113 is 3115617122.

It can be written as a sum of positive squares in 4 ways, for example, as 792253609 + 1424911504 = 28147^2 + 37748^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2217165113 is a prime.

It is a super-2 number, since 2×2217165113² = 9831642276608605538, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2217165133) 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, 520673 + ... + 524913.

It is an arithmetic number, because the mean of its divisors is an integer number (278183997).

Almost surely, 2^2217165113 is an apocalyptic number.

It is an amenable number.

2217165113 is a deficient number, since it is larger than the sum of its proper divisors (8306863).

2217165113 is a wasteful number, since it uses less digits than its factorization.

2217165113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6075.

The product of its digits is 2520, while the sum is 29.

The square root of 2217165113 is about 47086.7827845564. The cubic root of 2217165113 is about 1303.9652328747.

The spelling of 2217165113 in words is "two billion, two hundred seventeen million, one hundred sixty-five thousand, one hundred thirteen".