2216043813 has 8 divisors (see below), whose sum is σ = 3083191488. Its totient is φ = 1413129344.

The previous prime is 2216043769. The next prime is 2216043821. The reversal of 2216043813 is 3183406122.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2216043813 is a prime.

It is a super-2 number, since 2×2216043813² = 9821700362271157938, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2216043833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16058220 + ... + 16058357.

It is an arithmetic number, because the mean of its divisors is an integer number (385398936).

Almost surely, 2^2216043813 is an apocalyptic number.

2216043813 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2216043813 is a deficient number, since it is larger than the sum of its proper divisors (867147675).

2216043813 is a wasteful number, since it uses less digits than its factorization.

2216043813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32116603.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 2216043813 is about 47074.8745404595. The cubic root of 2216043813 is about 1303.7453751291.

Adding to 2216043813 its reverse (3183406122), we get a palindrome (5399449935).

The spelling of 2216043813 in words is "two billion, two hundred sixteen million, forty-three thousand, eight hundred thirteen".