22018283393 has 2 divisors, whose sum is σ = 22018283394. Its totient is φ = 22018283392.

The previous prime is 22018283381. The next prime is 22018283411. The reversal of 22018283393 is 39338281022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15613002304 + 6405281089 = 124952^2 + 80033^2 .

It is a cyclic number.

It is not a de Polignac number, because 22018283393 - 2⁸ = 22018283137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22018283393.

It is not a weakly prime, because it can be changed into another prime (22018283303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11009141696 + 11009141697.

It is an arithmetic number, because the mean of its divisors is an integer number (11009141697).

Almost surely, 2^22018283393 is an apocalyptic number.

It is an amenable number.

22018283393 is a deficient number, since it is larger than the sum of its proper divisors (1).

22018283393 is an equidigital number, since it uses as much as digits as its factorization.

22018283393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 41.

The spelling of 22018283393 in words is "twenty-two billion, eighteen million, two hundred eighty-three thousand, three hundred ninety-three".