22186089941 has 2 divisors, whose sum is σ = 22186089942. Its totient is φ = 22186089940.

The previous prime is 22186089931. The next prime is 22186089943. The reversal of 22186089941 is 14998068122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22098011716 + 88078225 = 148654^2 + 9385^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22186089941 is a prime.

It is a Sophie Germain prime.

Together with 22186089943, it forms a pair of twin primes.

It is a Chen 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 22186089941.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22186089943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11093044970 + 11093044971.

It is an arithmetic number, because the mean of its divisors is an integer number (11093044971).

Almost surely, 2^22186089941 is an apocalyptic number.

It is an amenable number.

22186089941 is a deficient number, since it is larger than the sum of its proper divisors (1).

22186089941 is an equidigital number, since it uses as much as digits as its factorization.

22186089941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 497664, while the sum is 50.

The spelling of 22186089941 in words is "twenty-two billion, one hundred eighty-six million, eighty-nine thousand, nine hundred forty-one".