8222229 has 20 divisors (see below), whose sum is σ = 12440736. Its totient is φ = 5411016.

The previous prime is 8222213. The next prime is 8222239. The reversal of 8222229 is 9222228.

It is not a de Polignac number, because 8222229 - 2⁴ = 8222213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8222239) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6112 + ... + 7334.

Almost surely, 2^8222229 is an apocalyptic number.

It is an amenable number.

8222229 is a deficient number, since it is larger than the sum of its proper divisors (4218507).

8222229 is a wasteful number, since it uses less digits than its factorization.

8222229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1318 (or 1309 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 8222229 is about 2867.4429375316. The cubic root of 8222229 is about 201.8350203428.

Subtracting 8222229 from its reverse (9222228), we obtain a palindrome (999999).

The spelling of 8222229 in words is "eight million, two hundred twenty-two thousand, two hundred twenty-nine".