2201161517 has 4 divisors (see below), whose sum is σ = 2206543740. Its totient is φ = 2195779296.

The previous prime is 2201161499. The next prime is 2201161531. The reversal of 2201161517 is 7151611022.

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 1447878601 + 753282916 = 38051^2 + 27446^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2201161517 is a prime.

It is a super-2 number, since 2×2201161517² = 9690224047843482578, which 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 (2201161597) 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, 2690498 + ... + 2691315.

It is an arithmetic number, because the mean of its divisors is an integer number (551635935).

Almost surely, 2^2201161517 is an apocalyptic number.

It is an amenable number.

2201161517 is a deficient number, since it is larger than the sum of its proper divisors (5382223).

2201161517 is an equidigital number, since it uses as much as digits as its factorization.

2201161517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5382222.

The product of its (nonzero) digits is 840, while the sum is 26.

The square root of 2201161517 is about 46916.5377772060. The cubic root of 2201161517 is about 1300.8202943206.

Adding to 2201161517 its reverse (7151611022), we get a palindrome (9352772539).

The spelling of 2201161517 in words is "two billion, two hundred one million, one hundred sixty-one thousand, five hundred seventeen".