22167206689 has 4 divisors (see below), whose sum is σ = 22188100500. Its totient is φ = 22146312880.

The previous prime is 22167206681. The next prime is 22167206693. The reversal of 22167206689 is 98660276122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98660276122 = 2 ⋅49330138061.

It can be written as a sum of positive squares in 2 ways, for example, as 4953766689 + 17213440000 = 70383^2 + 131200^2 .

It is a cyclic number.

It is not a de Polignac number, because 22167206689 - 2³ = 22167206681 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22167206681) 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, 10445314 + ... + 10447435.

It is an arithmetic number, because the mean of its divisors is an integer number (5547025125).

Almost surely, 2^22167206689 is an apocalyptic number.

It is an amenable number.

22167206689 is a deficient number, since it is larger than the sum of its proper divisors (20893811).

22167206689 is a wasteful number, since it uses less digits than its factorization.

22167206689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20893810.

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 22167206689 in words is "twenty-two billion, one hundred sixty-seven million, two hundred six thousand, six hundred eighty-nine".