22191167093 has 2 divisors, whose sum is σ = 22191167094. Its totient is φ = 22191167092.

The previous prime is 22191167087. The next prime is 22191167123. The reversal of 22191167093 is 39076119122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22191167089 + 4 = 148967^2 + 2^2 .

It is a cyclic number.

It is not a de Polignac number, because 22191167093 - 2⁶ = 22191167029 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22191167093.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22191167023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11095583546 + 11095583547.

It is an arithmetic number, because the mean of its divisors is an integer number (11095583547).

Almost surely, 2^22191167093 is an apocalyptic number.

It is an amenable number.

22191167093 is a deficient number, since it is larger than the sum of its proper divisors (1).

22191167093 is an equidigital number, since it uses as much as digits as its factorization.

22191167093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 41.

The spelling of 22191167093 in words is "twenty-two billion, one hundred ninety-one million, one hundred sixty-seven thousand, ninety-three".