8225216269 has 2 divisors, whose sum is σ = 8225216270. Its totient is φ = 8225216268.

The previous prime is 8225216249. The next prime is 8225216273. The reversal of 8225216269 is 9626125228.

8225216269 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7632293769 + 592922500 = 87363^2 + 24350^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8225216269 is a prime.

It is a super-2 number, since 2×8225216269² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8225216249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4112608134 + 4112608135.

It is an arithmetic number, because the mean of its divisors is an integer number (4112608135).

Almost surely, 2^8225216269 is an apocalyptic number.

It is an amenable number.

8225216269 is a deficient number, since it is larger than the sum of its proper divisors (1).

8225216269 is an equidigital number, since it uses as much as digits as its factorization.

8225216269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 43.

The square root of 8225216269 is about 90692.9780578408. The cubic root of 8225216269 is about 2018.5946069413.

The spelling of 8225216269 in words is "eight billion, two hundred twenty-five million, two hundred sixteen thousand, two hundred sixty-nine".