2216323517 has 8 divisors (see below), whose sum is σ = 2289615360. Its totient is φ = 2143144080.

The previous prime is 2216323513. The next prime is 2216323531. The reversal of 2216323517 is 7153236122.

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

It is not a de Polignac number, because 2216323517 - 2² = 2216323513 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2216323513) 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, 12959 + ... + 67827.

It is an arithmetic number, because the mean of its divisors is an integer number (286201920).

Almost surely, 2^2216323517 is an apocalyptic number.

It is an amenable number.

2216323517 is a deficient number, since it is larger than the sum of its proper divisors (73291843).

2216323517 is a wasteful number, since it uses less digits than its factorization.

2216323517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56203.

The product of its digits is 15120, while the sum is 32.

The square root of 2216323517 is about 47077.8452884157. The cubic root of 2216323517 is about 1303.8002247449.

Adding to 2216323517 its reverse (7153236122), we get a palindrome (9369559639).

The spelling of 2216323517 in words is "two billion, two hundred sixteen million, three hundred twenty-three thousand, five hundred seventeen".