2216875989 has 8 divisors (see below), whose sum is σ = 2958108352. Its totient is φ = 1476780480.

The previous prime is 2216875981. The next prime is 2216876009. The reversal of 2216875989 is 9895786122.

It is a happy number.

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

It is not a de Polignac number, because 2216875989 - 2³ = 2216875981 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2216875981) 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, 279652 + ... + 287469.

It is an arithmetic number, because the mean of its divisors is an integer number (369763544).

Almost surely, 2^2216875989 is an apocalyptic number.

It is an amenable number.

2216875989 is a deficient number, since it is larger than the sum of its proper divisors (741232363).

2216875989 is a wasteful number, since it uses less digits than its factorization.

2216875989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568427.

The product of its digits is 4354560, while the sum is 57.

The square root of 2216875989 is about 47083.7125660244. The cubic root of 2216875989 is about 1303.9085502772.

The spelling of 2216875989 in words is "two billion, two hundred sixteen million, eight hundred seventy-five thousand, nine hundred eighty-nine".