8269229 has 2 divisors, whose sum is σ = 8269230. Its totient is φ = 8269228.

The previous prime is 8269211. The next prime is 8269231. The reversal of 8269229 is 9229628.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7279204 + 990025 = 2698^2 + 995^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8269229 is a prime.

Together with 8269231, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 8269192 and 8269201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8269279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4134614 + 4134615.

It is an arithmetic number, because the mean of its divisors is an integer number (4134615).

Almost surely, 2^8269229 is an apocalyptic number.

It is an amenable number.

8269229 is a deficient number, since it is larger than the sum of its proper divisors (1).

8269229 is an equidigital number, since it uses as much as digits as its factorization.

8269229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 38.

The square root of 8269229 is about 2875.6267143007. The cubic root of 8269229 is about 202.2188671079.

The spelling of 8269229 in words is "eight million, two hundred sixty-nine thousand, two hundred twenty-nine".