2279216317 has 16 divisors (see below), whose sum is σ = 2761526272. Its totient is φ = 1839490560.

The previous prime is 2279216311. The next prime is 2279216321. The reversal of 2279216317 is 7136129722.

It is a cyclic number.

It is not a de Polignac number, because 2279216317 - 2⁷ = 2279216189 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2279216317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2279216311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133908 + ... + 149965.

It is an arithmetic number, because the mean of its divisors is an integer number (172595392).

Almost surely, 2^2279216317 is an apocalyptic number.

It is an amenable number.

2279216317 is a deficient number, since it is larger than the sum of its proper divisors (482309955).

2279216317 is a wasteful number, since it uses less digits than its factorization.

2279216317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283948.

The product of its digits is 63504, while the sum is 40.

The square root of 2279216317 is about 47741.1386227853. The cubic root of 2279216317 is about 1316.0180576431.

The spelling of 2279216317 in words is "two billion, two hundred seventy-nine million, two hundred sixteen thousand, three hundred seventeen".