2216688855 has 32 divisors (see below), whose sum is σ = 3585669120. Its totient is φ = 1169285760.

The previous prime is 2216688847. The next prime is 2216688869. The reversal of 2216688855 is 5588866122.

It is not a de Polignac number, because 2216688855 - 2³ = 2216688847 is a prime.

It is a super-2 number, since 2×2216688855² = 9827418959762422050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2216688798 and 2216688807.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1410220 + ... + 1411790.

It is an arithmetic number, because the mean of its divisors is an integer number (112052160).

Almost surely, 2^2216688855 is an apocalyptic number.

2216688855 is a deficient number, since it is larger than the sum of its proper divisors (1368980265).

2216688855 is a wasteful number, since it uses less digits than its factorization.

2216688855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2551.

The product of its digits is 1843200, while the sum is 51.

The square root of 2216688855 is about 47081.7252763745. The cubic root of 2216688855 is about 1303.8718601346.

The spelling of 2216688855 in words is "two billion, two hundred sixteen million, six hundred eighty-eight thousand, eight hundred fifty-five".