22008189 has 8 divisors (see below), whose sum is σ = 33536320. Its totient is φ = 12576096.

The previous prime is 22008179. The next prime is 22008191. The reversal of 22008189 is 98180022.

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

It is not a de Polignac number, because 22008189 - 2⁵ = 22008157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22008169) 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, 523984 + ... + 524025.

It is an arithmetic number, because the mean of its divisors is an integer number (4192040).

Almost surely, 2^22008189 is an apocalyptic number.

It is an amenable number.

22008189 is a deficient number, since it is larger than the sum of its proper divisors (11528131).

22008189 is a wasteful number, since it uses less digits than its factorization.

22008189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048019.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 22008189 is about 4691.2886289377. The cubic root of 22008189 is about 280.2386952680.

The spelling of 22008189 in words is "twenty-two million, eight thousand, one hundred eighty-nine".