8256229 has 2 divisors, whose sum is σ = 8256230. Its totient is φ = 8256228.

The previous prime is 8256223. The next prime is 8256233. The reversal of 8256229 is 9226528.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4264225 + 3992004 = 2065^2 + 1998^2 .

It is a cyclic number.

It is not a de Polignac number, because 8256229 - 2³ = 8256221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8256194 and 8256203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8256221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4128114 + 4128115.

It is an arithmetic number, because the mean of its divisors is an integer number (4128115).

Almost surely, 2^8256229 is an apocalyptic number.

It is an amenable number.

8256229 is a deficient number, since it is larger than the sum of its proper divisors (1).

8256229 is an equidigital number, since it uses as much as digits as its factorization.

8256229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 34.

The square root of 8256229 is about 2873.3654483897. The cubic root of 8256229 is about 202.1128425489.

Subtracting 8256229 from its reverse (9226528), we obtain a cube (970299 = 99³).

The spelling of 8256229 in words is "eight million, two hundred fifty-six thousand, two hundred twenty-nine".