2192216617 has 6 divisors (see below), whose sum is σ = 2225429178. Its totient is φ = 2159492544.

The previous prime is 2192216539. The next prime is 2192216639. The reversal of 2192216617 is 7166122912.

It can be written as a sum of positive squares in only one way, i.e., 2118668841 + 73547776 = 46029^2 + 8576^2 .

It is not a de Polignac number, because 2192216617 - 2⁷ = 2192216489 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2192216017) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 239688 + ... + 248665.

It is an arithmetic number, because the mean of its divisors is an integer number (370904863).

Almost surely, 2^2192216617 is an apocalyptic number.

It is an amenable number.

2192216617 is a deficient number, since it is larger than the sum of its proper divisors (33212561).

2192216617 is an frugal number, since it uses more digits than its factorization.

2192216617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488487 (or 488420 counting only the distinct ones).

The product of its digits is 18144, while the sum is 37.

The square root of 2192216617 is about 46821.1129406382. The cubic root of 2192216617 is about 1299.0558464064.

The spelling of 2192216617 in words is "two billion, one hundred ninety-two million, two hundred sixteen thousand, six hundred seventeen".