11320229 has 2 divisors, whose sum is σ = 11320230. Its totient is φ = 11320228.

The previous prime is 11320213. The next prime is 11320247. The reversal of 11320229 is 92202311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9443329 + 1876900 = 3073^2 + 1370^2 .

It is an emirp because it is prime and its reverse (92202311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11320229 - 2⁴ = 11320213 is a prime.

It is a super-2 number, since 2×11320229² = 256295169224882, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11320229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11320259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5660114 + 5660115.

It is an arithmetic number, because the mean of its divisors is an integer number (5660115).

Almost surely, 2^11320229 is an apocalyptic number.

It is an amenable number.

11320229 is a deficient number, since it is larger than the sum of its proper divisors (1).

11320229 is an equidigital number, since it uses as much as digits as its factorization.

11320229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 11320229 is about 3364.5547996726. The cubic root of 11320229 is about 224.5355290882.

The spelling of 11320229 in words is "eleven million, three hundred twenty thousand, two hundred twenty-nine".