22097189 has 8 divisors (see below), whose sum is σ = 22617600. Its totient is φ = 21582000.

The previous prime is 22097167. The next prime is 22097197. The reversal of 22097189 is 98179022.

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 22097189 - 2⁸ = 22096933 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 (22096189) 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, 8012 + ... + 10410.

It is an arithmetic number, because the mean of its divisors is an integer number (2827200).

Almost surely, 2^22097189 is an apocalyptic number.

It is an amenable number.

22097189 is a deficient number, since it is larger than the sum of its proper divisors (520411).

22097189 is a wasteful number, since it uses less digits than its factorization.

22097189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2611.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 22097189 is about 4700.7647250208. The cubic root of 22097189 is about 280.6159442219.

The spelling of 22097189 in words is "twenty-two million, ninety-seven thousand, one hundred eighty-nine".