11222166 has 8 divisors (see below), whose sum is σ = 22444344. Its totient is φ = 3740720.

The previous prime is 11222161. The next prime is 11222171. The reversal of 11222166 is 66122211.

It is an interprime number because it is at equal distance from previous prime (11222161) and next prime (11222171).

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

11222166 is an admirable number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222161) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 935175 + ... + 935186.

It is an arithmetic number, because the mean of its divisors is an integer number (2805543).

Almost surely, 2^11222166 is an apocalyptic number.

11222166 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11222166 is a wasteful number, since it uses less digits than its factorization.

11222166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1870366.

The product of its digits is 288, while the sum is 21.

The square root of 11222166 is about 3349.9501488828. The cubic root of 11222166 is about 223.8852915026.

Adding to 11222166 its reverse (66122211), we get a palindrome (77344377).

The spelling of 11222166 in words is "eleven million, two hundred twenty-two thousand, one hundred sixty-six".