22006166 has 48 divisors (see below), whose sum is σ = 41741568. Its totient is φ = 8517600.

The previous prime is 22006163. The next prime is 22006169. The reversal of 22006166 is 66160022.

It is an interprime number because it is at equal distance from previous prime (22006163) and next prime (22006169).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22006163) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 167921 + ... + 168051.

It is an arithmetic number, because the mean of its divisors is an integer number (869616).

Almost surely, 2^22006166 is an apocalyptic number.

22006166 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

22006166 is a deficient number, since it is larger than the sum of its proper divisors (19735402).

22006166 is a wasteful number, since it uses less digits than its factorization.

22006166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237 (or 224 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 22006166 is about 4691.0730115827. The cubic root of 22006166 is about 280.2301084604.

Adding to 22006166 its reverse (66160022), we get a palindrome (88166188).

The spelling of 22006166 in words is "twenty-two million, six thousand, one hundred sixty-six".