22108189 has 8 divisors (see below), whose sum is σ = 22717440. Its totient is φ = 21504816.

The previous prime is 22108187. The next prime is 22108213. The reversal of 22108189 is 98180122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22108189 - 2¹ = 22108187 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22108189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22108183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6772 + ... + 9490.

It is an arithmetic number, because the mean of its divisors is an integer number (2839680).

Almost surely, 2^22108189 is an apocalyptic number.

It is an amenable number.

22108189 is a deficient number, since it is larger than the sum of its proper divisors (609251).

22108189 is a wasteful number, since it uses less digits than its factorization.

22108189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2939.

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 22108189 is about 4701.9346018421. The cubic root of 22108189 is about 280.6625001184.

The spelling of 22108189 in words is "twenty-two million, one hundred eight thousand, one hundred eighty-nine".