8225555229 has 6 divisors (see below), whose sum is σ = 11881357566. Its totient is φ = 5483703480.

The previous prime is 8225555207. The next prime is 8225555263. The reversal of 8225555229 is 9225555228.

8225555229 is a `hidden beast` number, since 8 + 22 + 55 + 552 + 29 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4382175204 + 3843380025 = 66198^2 + 61995^2 .

It is not a de Polignac number, because 8225555229 - 2⁹ = 8225554717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8225555029) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 456975282 + ... + 456975299.

It is an arithmetic number, because the mean of its divisors is an integer number (1980226261).

Almost surely, 2^8225555229 is an apocalyptic number.

It is an amenable number.

8225555229 is a deficient number, since it is larger than the sum of its proper divisors (3655802337).

8225555229 is a wasteful number, since it uses less digits than its factorization.

8225555229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913950587 (or 913950584 counting only the distinct ones).

The product of its digits is 720000, while the sum is 45.

The square root of 8225555229 is about 90694.8467609930. The cubic root of 8225555229 is about 2018.6223352266.

Subtracting 8225555229 from its reverse (9225555228), we obtain a palindrome (999999999).

The spelling of 8225555229 in words is "eight billion, two hundred twenty-five million, five hundred fifty-five thousand, two hundred twenty-nine".