8229818533 has 2 divisors, whose sum is σ = 8229818534. Its totient is φ = 8229818532.

The previous prime is 8229818501. The next prime is 8229818539. The reversal of 8229818533 is 3358189228.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5140459809 + 3089358724 = 71697^2 + 55582^2 .

It is a cyclic number.

It is not a de Polignac number, because 8229818533 - 2⁵ = 8229818501 is a prime.

It is a super-2 number, since 2×8229818533² (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 (8229818539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4114909266 + 4114909267.

It is an arithmetic number, because the mean of its divisors is an integer number (4114909267).

Almost surely, 2^8229818533 is an apocalyptic number.

It is an amenable number.

8229818533 is a deficient number, since it is larger than the sum of its proper divisors (1).

8229818533 is an equidigital number, since it uses as much as digits as its factorization.

8229818533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 829440, while the sum is 49.

The square root of 8229818533 is about 90718.3472788168. The cubic root of 8229818533 is about 2018.9710255393.

The spelling of 8229818533 in words is "eight billion, two hundred twenty-nine million, eight hundred eighteen thousand, five hundred thirty-three".