22244403893 has 2 divisors, whose sum is σ = 22244403894. Its totient is φ = 22244403892.

The previous prime is 22244403889. The next prime is 22244403913. The reversal of 22244403893 is 39830444222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22230213604 + 14190289 = 149098^2 + 3767^2 .

It is a cyclic number.

It is not a de Polignac number, because 22244403893 - 2² = 22244403889 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22244403893.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22244403833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11122201946 + 11122201947.

It is an arithmetic number, because the mean of its divisors is an integer number (11122201947).

Almost surely, 2^22244403893 is an apocalyptic number.

It is an amenable number.

22244403893 is a deficient number, since it is larger than the sum of its proper divisors (1).

22244403893 is an equidigital number, since it uses as much as digits as its factorization.

22244403893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 331776, while the sum is 41.

The spelling of 22244403893 in words is "twenty-two billion, two hundred forty-four million, four hundred three thousand, eight hundred ninety-three".