22209942189 has 8 divisors (see below), whose sum is σ = 30171997152. Its totient is φ = 14527257680.

The previous prime is 22209942173. The next prime is 22209942191. The reversal of 22209942189 is 98124990222.

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 22209942189 - 2⁴ = 22209942173 is a prime.

It is a super-2 number, since 2×22209942189² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22209942109) 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, 69842427 + ... + 69842744.

It is an arithmetic number, because the mean of its divisors is an integer number (3771499644).

Almost surely, 2^22209942189 is an apocalyptic number.

It is an amenable number.

22209942189 is a deficient number, since it is larger than the sum of its proper divisors (7962054963).

22209942189 is a wasteful number, since it uses less digits than its factorization.

22209942189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139685227.

The product of its (nonzero) digits is 373248, while the sum is 48.

The spelling of 22209942189 in words is "twenty-two billion, two hundred nine million, nine hundred forty-two thousand, one hundred eighty-nine".