11822866 has 8 divisors (see below), whose sum is σ = 19346544. Its totient is φ = 5374020.

The previous prime is 11822857. The next prime is 11822911. The reversal of 11822866 is 66822811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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, 268680 + ... + 268723.

It is an arithmetic number, because the mean of its divisors is an integer number (2418318).

Almost surely, 2^11822866 is an apocalyptic number.

11822866 is a deficient number, since it is larger than the sum of its proper divisors (7523678).

11822866 is a wasteful number, since it uses less digits than its factorization.

11822866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537416.

The product of its digits is 9216, while the sum is 34.

The square root of 11822866 is about 3438.4394716208. The cubic root of 11822866 is about 227.8107719980.

Subtracting 11822866 from its reverse (66822811), we obtain a palindrome (54999945).

The spelling of 11822866 in words is "eleven million, eight hundred twenty-two thousand, eight hundred sixty-six".