11585228 has 12 divisors (see below), whose sum is σ = 21466872. Its totient is φ = 5451840.

The previous prime is 11585221. The next prime is 11585257. The reversal of 11585228 is 82258511.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11585194 and 11585203.

It is not an unprimeable number, because it can be changed into a prime (11585221) by changing a digit.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85118 + ... + 85253.

It is an arithmetic number, because the mean of its divisors is an integer number (1788906).

Almost surely, 2^11585228 is an apocalyptic number.

It is an amenable number.

11585228 is a deficient number, since it is larger than the sum of its proper divisors (9881644).

11585228 is a wasteful number, since it uses less digits than its factorization.

11585228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170392 (or 170390 counting only the distinct ones).

The product of its digits is 6400, while the sum is 32.

The square root of 11585228 is about 3403.7079780733. The cubic root of 11585228 is about 226.2741081114.

The spelling of 11585228 in words is "eleven million, five hundred eighty-five thousand, two hundred twenty-eight".