2216468269 has 2 divisors, whose sum is σ = 2216468270. Its totient is φ = 2216468268.

The previous prime is 2216468249. The next prime is 2216468297. The reversal of 2216468269 is 9628646122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1589616900 + 626851369 = 39870^2 + 25037^2 .

It is a cyclic number.

It is not a de Polignac number, because 2216468269 - 2²⁹ = 1679597357 is a prime.

It is a super-3 number, since 3×2216468269³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2216468249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1108234134 + 1108234135.

It is an arithmetic number, because the mean of its divisors is an integer number (1108234135).

Almost surely, 2^2216468269 is an apocalyptic number.

It is an amenable number.

2216468269 is a deficient number, since it is larger than the sum of its proper divisors (1).

2216468269 is an equidigital number, since it uses as much as digits as its factorization.

2216468269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 497664, while the sum is 46.

The square root of 2216468269 is about 47079.3826318910. The cubic root of 2216468269 is about 1303.8286086248.

The spelling of 2216468269 in words is "two billion, two hundred sixteen million, four hundred sixty-eight thousand, two hundred sixty-nine".