2216492863 has 4 divisors (see below), whose sum is σ = 2386992328. Its totient is φ = 2045993400.

The previous prime is 2216492851. The next prime is 2216492879. The reversal of 2216492863 is 3682946122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2216492863 is a prime.

It is a super-2 number, since 2×2216492863² = 9825681223459873538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2216492813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85249713 + ... + 85249738.

It is an arithmetic number, because the mean of its divisors is an integer number (596748082).

Almost surely, 2^2216492863 is an apocalyptic number.

2216492863 is a deficient number, since it is larger than the sum of its proper divisors (170499465).

2216492863 is a wasteful number, since it uses less digits than its factorization.

2216492863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170499464.

The product of its digits is 248832, while the sum is 43.

The square root of 2216492863 is about 47079.6438283044. The cubic root of 2216492863 is about 1303.8334310477.

The spelling of 2216492863 in words is "two billion, two hundred sixteen million, four hundred ninety-two thousand, eight hundred sixty-three".