12422166 has 16 divisors (see below), whose sum is σ = 25010688. Its totient is φ = 4113000.

The previous prime is 12422153. The next prime is 12422209. The reversal of 12422166 is 66122421.

12422166 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent 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, 5950 + ... + 7761.

It is an arithmetic number, because the mean of its divisors is an integer number (1563168).

Almost surely, 2^12422166 is an apocalyptic number.

12422166 is an abundant number, since it is smaller than the sum of its proper divisors (12588522).

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

12422166 is a wasteful number, since it uses less digits than its factorization.

12422166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13867.

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

The square root of 12422166 is about 3524.5093275519. The cubic root of 12422166 is about 231.5967405079.

Adding to 12422166 its reverse (66122421), we get a palindrome (78544587).

The spelling of 12422166 in words is "twelve million, four hundred twenty-two thousand, one hundred sixty-six".