11228666 has 4 divisors (see below), whose sum is σ = 16843002. Its totient is φ = 5614332.

The previous prime is 11228663. The next prime is 11228671. The reversal of 11228666 is 66682211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9954025 + 1274641 = 3155^2 + 1129^2 .

It is not an unprimeable number, because it can be changed into a prime (11228663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2807165 + ... + 2807168.

Almost surely, 2^11228666 is an apocalyptic number.

11228666 is a deficient number, since it is larger than the sum of its proper divisors (5614336).

11228666 is an equidigital number, since it uses as much as digits as its factorization.

11228666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5614335.

The product of its digits is 6912, while the sum is 32.

The square root of 11228666 is about 3350.9201721318. The cubic root of 11228666 is about 223.9285087543.

The spelling of 11228666 in words is "eleven million, two hundred twenty-eight thousand, six hundred sixty-six".