8228536229 has 2 divisors, whose sum is σ = 8228536230. Its totient is φ = 8228536228.

The previous prime is 8228536223. The next prime is 8228536339. The reversal of 8228536229 is 9226358228.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5427268900 + 2801267329 = 73670^2 + 52927^2 .

It is a cyclic number.

It is not a de Polignac number, because 8228536229 - 2⁴ = 8228536213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8228536223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4114268114 + 4114268115.

It is an arithmetic number, because the mean of its divisors is an integer number (4114268115).

Almost surely, 2^8228536229 is an apocalyptic number.

It is an amenable number.

8228536229 is a deficient number, since it is larger than the sum of its proper divisors (1).

8228536229 is an equidigital number, since it uses as much as digits as its factorization.

8228536229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 829440, while the sum is 47.

The square root of 8228536229 is about 90711.2795026065. The cubic root of 8228536229 is about 2018.8661601612.

The spelling of 8228536229 in words is "eight billion, two hundred twenty-eight million, five hundred thirty-six thousand, two hundred twenty-nine".