13822166 has 16 divisors (see below), whose sum is σ = 21606480. Its totient is φ = 6625920.

The previous prime is 13822157. The next prime is 13822217. The reversal of 13822166 is 66122831.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3410 + ... + 6266.

It is an arithmetic number, because the mean of its divisors is an integer number (1350405).

Almost surely, 2^13822166 is an apocalyptic number.

13822166 is a deficient number, since it is larger than the sum of its proper divisors (7784314).

13822166 is a wasteful number, since it uses less digits than its factorization.

13822166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2959.

The product of its digits is 3456, while the sum is 29.

The square root of 13822166 is about 3717.8173704473. The cubic root of 13822166 is about 239.9893861047.

Adding to 13822166 its reverse (66122831), we get a palindrome (79944997).

The spelling of 13822166 in words is "thirteen million, eight hundred twenty-two thousand, one hundred sixty-six".