2201171217 has 16 divisors (see below), whose sum is σ = 3357975552. Its totient is φ = 1256383440.

The previous prime is 2201171207. The next prime is 2201171221. The reversal of 2201171217 is 7121711022.

It is not a de Polignac number, because 2201171217 - 2¹⁰ = 2201170193 is a prime.

It is a super-2 number, since 2×2201171217² = 9690309453098522178, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2201171207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40459 + ... + 77712.

It is an arithmetic number, because the mean of its divisors is an integer number (209873472).

Almost surely, 2^2201171217 is an apocalyptic number.

It is an amenable number.

2201171217 is a deficient number, since it is larger than the sum of its proper divisors (1156804335).

2201171217 is a wasteful number, since it uses less digits than its factorization.

2201171217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119068.

The product of its (nonzero) digits is 392, while the sum is 24.

The square root of 2201171217 is about 46916.6411521541. The cubic root of 2201171217 is about 1300.8222051206.

Adding to 2201171217 its reverse (7121711022), we get a palindrome (9322882239).

The spelling of 2201171217 in words is "two billion, two hundred one million, one hundred seventy-one thousand, two hundred seventeen".