22194679921163 has 2 divisors, whose sum is σ = 22194679921164. Its totient is φ = 22194679921162.

The previous prime is 22194679921109. The next prime is 22194679921187. The reversal of 22194679921163 is 36112997649122.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22194679921163 - 2⁴⁰ = 21095168293387 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22194679921096 and 22194679921105.

It is not a weakly prime, because it can be changed into another prime (22194679981163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11097339960581 + 11097339960582.

It is an arithmetic number, because the mean of its divisors is an integer number (11097339960582).

Almost surely, 2^{22194679921163} is an apocalyptic number.

22194679921163 is a deficient number, since it is larger than the sum of its proper divisors (1).

22194679921163 is an equidigital number, since it uses as much as digits as its factorization.

22194679921163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17635968, while the sum is 62.

The spelling of 22194679921163 in words is "twenty-two trillion, one hundred ninety-four billion, six hundred seventy-nine million, nine hundred twenty-one thousand, one hundred sixty-three".