2212115617 has 8 divisors (see below), whose sum is σ = 2247039872. Its totient is φ = 2177247600.

The previous prime is 2212115593. The next prime is 2212115657. The reversal of 2212115617 is 7165112122.

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

It is a cyclic number.

It is not a de Polignac number, because 2212115617 - 2¹⁵ = 2212082849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2212115657) 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, 69067 + ... + 95887.

It is an arithmetic number, because the mean of its divisors is an integer number (280879984).

Almost surely, 2^2212115617 is an apocalyptic number.

It is an amenable number.

2212115617 is a deficient number, since it is larger than the sum of its proper divisors (34924255).

2212115617 is a wasteful number, since it uses less digits than its factorization.

2212115617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28119.

The product of its digits is 1680, while the sum is 28.

The square root of 2212115617 is about 47033.1331828957. The cubic root of 2212115617 is about 1302.9745726154.

Adding to 2212115617 its reverse (7165112122), we get a palindrome (9377227739).

The spelling of 2212115617 in words is "two billion, two hundred twelve million, one hundred fifteen thousand, six hundred seventeen".