11385229 has 2 divisors, whose sum is σ = 11385230. Its totient is φ = 11385228.

The previous prime is 11385217. The next prime is 11385251. The reversal of 11385229 is 92258311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11377129 + 8100 = 3373^2 + 90^2 .

It is an emirp because it is prime and its reverse (92258311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11385229 - 2⁹ = 11384717 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11385229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11388229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5692614 + 5692615.

It is an arithmetic number, because the mean of its divisors is an integer number (5692615).

Almost surely, 2^11385229 is an apocalyptic number.

It is an amenable number.

11385229 is a deficient number, since it is larger than the sum of its proper divisors (1).

11385229 is an equidigital number, since it uses as much as digits as its factorization.

11385229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 31.

The square root of 11385229 is about 3374.2004978958. The cubic root of 11385229 is about 224.9644651701.

The spelling of 11385229 in words is "eleven million, three hundred eighty-five thousand, two hundred twenty-nine".