2216346215 has 16 divisors (see below), whose sum is σ = 2688771072. Its totient is φ = 1753726464.

The previous prime is 2216346191. The next prime is 2216346227. The reversal of 2216346215 is 5126436122.

It is a cyclic number.

It is not a de Polignac number, because 2216346215 - 2¹² = 2216342119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 208817 + ... + 219173.

It is an arithmetic number, because the mean of its divisors is an integer number (168048192).

Almost surely, 2^2216346215 is an apocalyptic number.

2216346215 is a deficient number, since it is larger than the sum of its proper divisors (472424857).

2216346215 is a wasteful number, since it uses less digits than its factorization.

2216346215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10826.

The product of its digits is 17280, while the sum is 32.

The square root of 2216346215 is about 47078.0863566054. The cubic root of 2216346215 is about 1303.8046755928.

It can be divided in two parts, 221 and 6346215, that added together give a palindrome (6346436).

The spelling of 2216346215 in words is "two billion, two hundred sixteen million, three hundred forty-six thousand, two hundred fifteen".