22189173 has 12 divisors (see below), whose sum is σ = 29882304. Its totient is φ = 14645800.

The previous prime is 22189151. The next prime is 22189201. The reversal of 22189173 is 37198122.

It is not a de Polignac number, because 22189173 - 2¹² = 22185077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22189103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51268 + ... + 51698.

It is an arithmetic number, because the mean of its divisors is an integer number (2490192).

Almost surely, 2^22189173 is an apocalyptic number.

It is an amenable number.

22189173 is a deficient number, since it is larger than the sum of its proper divisors (7693131).

22189173 is an equidigital number, since it uses as much as digits as its factorization.

22189173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696 (or 565 counting only the distinct ones).

The product of its digits is 6048, while the sum is 33.

The square root of 22189173 is about 4710.5385042477. The cubic root of 22189173 is about 281.0047786492.

The spelling of 22189173 in words is "twenty-two million, one hundred eighty-nine thousand, one hundred seventy-three".