12242166 has 8 divisors (see below), whose sum is σ = 24484344. Its totient is φ = 4080720.

The previous prime is 12242161. The next prime is 12242177. The reversal of 12242166 is 66124221.

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

12242166 is an admirable number.

It is a super-3 number, since 3×12242166³ (a number of 22 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12242161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1020175 + ... + 1020186.

It is an arithmetic number, because the mean of its divisors is an integer number (3060543).

Almost surely, 2^12242166 is an apocalyptic number.

12242166 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.

12242166 is a wasteful number, since it uses less digits than its factorization.

12242166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2040366.

The product of its digits is 1152, while the sum is 24.

The square root of 12242166 is about 3498.8806781598. The cubic root of 12242166 is about 230.4726637730.

Adding to 12242166 its reverse (66124221), we get a palindrome (78366387).

The spelling of 12242166 in words is "twelve million, two hundred forty-two thousand, one hundred sixty-six".