11218866 has 16 divisors (see below), whose sum is σ = 22637664. Its totient is φ = 3706304.

The previous prime is 11218849. The next prime is 11218903. The reversal of 11218866 is 66881211.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7596 + ... + 8951.

It is an arithmetic number, because the mean of its divisors is an integer number (1414854).

Almost surely, 2^11218866 is an apocalyptic number.

11218866 is an abundant number, since it is smaller than the sum of its proper divisors (11418798).

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

11218866 is a wasteful number, since it uses less digits than its factorization.

11218866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16665.

The product of its digits is 4608, while the sum is 33.

The square root of 11218866 is about 3349.4575680250. The cubic root of 11218866 is about 223.8633440493.

The spelling of 11218866 in words is "eleven million, two hundred eighteen thousand, eight hundred sixty-six".