11238666 has 16 divisors (see below), whose sum is σ = 23799744. Its totient is φ = 3525824.

The previous prime is 11238629. The next prime is 11238679. The reversal of 11238666 is 66683211.

It is a super-2 number, since 2×11238666² = 252615226919112, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54990 + ... + 55193.

It is an arithmetic number, because the mean of its divisors is an integer number (1487484).

Almost surely, 2^11238666 is an apocalyptic number.

11238666 is an abundant number, since it is smaller than the sum of its proper divisors (12561078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11238666 is a wasteful number, since it uses less digits than its factorization.

11238666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110205.

The product of its digits is 10368, while the sum is 33.

The square root of 11238666 is about 3352.4119675243. The cubic root of 11238666 is about 223.9949642788.

The spelling of 11238666 in words is "eleven million, two hundred thirty-eight thousand, six hundred sixty-six".