8216216233 has 2 divisors, whose sum is σ = 8216216234. Its totient is φ = 8216216232.

The previous prime is 8216216221. The next prime is 8216216251. The reversal of 8216216233 is 3326126128.

8216216233 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7601572969 + 614643264 = 87187^2 + 24792^2 .

It is a cyclic number.

It is not a de Polignac number, because 8216216233 - 2¹³ = 8216208041 is a prime.

It is not a weakly prime, because it can be changed into another prime (8216219233) 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, 4108108116 + 4108108117.

It is an arithmetic number, because the mean of its divisors is an integer number (4108108117).

Almost surely, 2^8216216233 is an apocalyptic number.

It is an amenable number.

8216216233 is a deficient number, since it is larger than the sum of its proper divisors (1).

8216216233 is an equidigital number, since it uses as much as digits as its factorization.

8216216233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 34.

The square root of 8216216233 is about 90643.3463250337. The cubic root of 8216216233 is about 2017.8580891471.

The spelling of 8216216233 in words is "eight billion, two hundred sixteen million, two hundred sixteen thousand, two hundred thirty-three".