22412166 has 32 divisors (see below), whose sum is σ = 53457408. Its totient is φ = 6124800.

The previous prime is 22412161. The next prime is 22412177. The reversal of 22412166 is 66121422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22412161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10635 + ... + 12566.

It is an arithmetic number, because the mean of its divisors is an integer number (1670544).

Almost surely, 2^22412166 is an apocalyptic number.

22412166 is an abundant number, since it is smaller than the sum of its proper divisors (31045242).

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

22412166 is a wasteful number, since it uses less digits than its factorization.

22412166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23236.

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

The square root of 22412166 is about 4734.1489203446. The cubic root of 22412166 is about 281.9429742344.

Adding to 22412166 its reverse (66121422), we get a palindrome (88533588).

It can be divided in two parts, 22412 and 166, that added together give a triangular number (22578 = T₂₁₂).

The spelling of 22412166 in words is "twenty-two million, four hundred twelve thousand, one hundred sixty-six".