11308229 has 2 divisors, whose sum is σ = 11308230. Its totient is φ = 11308228.

The previous prime is 11308181. The next prime is 11308237. The reversal of 11308229 is 92280311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6477025 + 4831204 = 2545^2 + 2198^2 .

It is an emirp because it is prime and its reverse (92280311) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11308229 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11308198 and 11308207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11308259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5654114 + 5654115.

It is an arithmetic number, because the mean of its divisors is an integer number (5654115).

Almost surely, 2^11308229 is an apocalyptic number.

It is an amenable number.

11308229 is a deficient number, since it is larger than the sum of its proper divisors (1).

11308229 is an equidigital number, since it uses as much as digits as its factorization.

11308229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 11308229 is about 3362.7710299692. The cubic root of 11308229 is about 224.4561614657.

The spelling of 11308229 in words is "eleven million, three hundred eight thousand, two hundred twenty-nine".