22166158 has 48 divisors (see below), whose sum is σ = 41249376. Its totient is φ = 8743680.

The previous prime is 22166153. The next prime is 22166159. The reversal of 22166158 is 85166122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22166153) 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, 303610 + ... + 303682.

It is an arithmetic number, because the mean of its divisors is an integer number (859362).

Almost surely, 2^22166158 is an apocalyptic number.

22166158 is a deficient number, since it is larger than the sum of its proper divisors (19083218).

22166158 is a wasteful number, since it uses less digits than its factorization.

22166158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 146 counting only the distinct ones).

The product of its digits is 5760, while the sum is 31.

The square root of 22166158 is about 4708.0949438175. The cubic root of 22166158 is about 280.9075906756.

The spelling of 22166158 in words is "twenty-two million, one hundred sixty-six thousand, one hundred fifty-eight".