22106389197 has 4 divisors (see below), whose sum is σ = 29475185600. Its totient is φ = 14737592796.

The previous prime is 22106389171. The next prime is 22106389243. The reversal of 22106389197 is 79198360122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 22106389197 - 2⁶ = 22106389133 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 (22106389147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3684398197 + ... + 3684398202.

It is an arithmetic number, because the mean of its divisors is an integer number (7368796400).

Almost surely, 2^22106389197 is an apocalyptic number.

It is an amenable number.

22106389197 is a deficient number, since it is larger than the sum of its proper divisors (7368796403).

22106389197 is an equidigital number, since it uses as much as digits as its factorization.

22106389197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7368796402.

The product of its (nonzero) digits is 326592, while the sum is 48.

The spelling of 22106389197 in words is "twenty-two billion, one hundred six million, three hundred eighty-nine thousand, one hundred ninety-seven".