2216438815 has 8 divisors (see below), whose sum is σ = 2775367008. Its totient is φ = 1696057440.

The previous prime is 2216438813. The next prime is 2216438849. The reversal of 2216438815 is 5188346122.

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

It is not a de Polignac number, because 2216438815 - 2¹ = 2216438813 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 (2216438813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9636576 + ... + 9636805.

It is an arithmetic number, because the mean of its divisors is an integer number (346920876).

Almost surely, 2^2216438815 is an apocalyptic number.

2216438815 is a deficient number, since it is larger than the sum of its proper divisors (558928193).

2216438815 is a wasteful number, since it uses less digits than its factorization.

2216438815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19273409.

The product of its digits is 92160, while the sum is 40.

The square root of 2216438815 is about 47079.0698187634. The cubic root of 2216438815 is about 1303.8228331999.

The spelling of 2216438815 in words is "two billion, two hundred sixteen million, four hundred thirty-eight thousand, eight hundred fifteen".