11229085 has 12 divisors (see below), whose sum is σ = 15675228. Its totient is φ = 7699776.

The previous prime is 11229077. The next prime is 11229089. The reversal of 11229085 is 58092211.

It can be written as a sum of positive squares in 2 ways, for example, as 5597956 + 5631129 = 2366^2 + 2373^2 .

It is not a de Polignac number, because 11229085 - 2³ = 11229077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11229089) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22672 + ... + 23161.

It is an arithmetic number, because the mean of its divisors is an integer number (1306269).

Almost surely, 2^11229085 is an apocalyptic number.

It is an amenable number.

11229085 is a deficient number, since it is larger than the sum of its proper divisors (4446143).

11229085 is an equidigital number, since it uses as much as digits as its factorization.

11229085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45852 (or 45845 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 11229085 is about 3350.9826916891. The cubic root of 11229085 is about 223.9312940326.

The spelling of 11229085 in words is "eleven million, two hundred twenty-nine thousand, eighty-five".