2216268823 has 2 divisors, whose sum is σ = 2216268824. Its totient is φ = 2216268822.

The previous prime is 2216268781. The next prime is 2216268841. The reversal of 2216268823 is 3288626122.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2216268823 - 2²⁹ = 1679397911 is a prime.

It is a super-3 number, since 3×2216268823³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2216268853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1108134411 + 1108134412.

It is an arithmetic number, because the mean of its divisors is an integer number (1108134412).

Almost surely, 2^2216268823 is an apocalyptic number.

2216268823 is a deficient number, since it is larger than the sum of its proper divisors (1).

2216268823 is an equidigital number, since it uses as much as digits as its factorization.

2216268823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 110592, while the sum is 40.

The square root of 2216268823 is about 47077.2643958843. The cubic root of 2216268823 is about 1303.7894996807.

The spelling of 2216268823 in words is "two billion, two hundred sixteen million, two hundred sixty-eight thousand, eight hundred twenty-three".