22182166 has 16 divisors (see below), whose sum is σ = 35661024. Its totient is φ = 10321344.

The previous prime is 22182137. The next prime is 22182169. The reversal of 22182166 is 66128122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22182169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4815 + ... + 8218.

It is an arithmetic number, because the mean of its divisors is an integer number (2228814).

Almost surely, 2^22182166 is an apocalyptic number.

22182166 is a deficient number, since it is larger than the sum of its proper divisors (13478858).

22182166 is a wasteful number, since it uses less digits than its factorization.

22182166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13095.

The product of its digits is 2304, while the sum is 28.

The square root of 22182166 is about 4709.7946876695. The cubic root of 22182166 is about 280.9751965375.

The spelling of 22182166 in words is "twenty-two million, one hundred eighty-two thousand, one hundred sixty-six".