22243021193 has 2 divisors, whose sum is σ = 22243021194. Its totient is φ = 22243021192.

The previous prime is 22243021183. The next prime is 22243021211. The reversal of 22243021193 is 39112034222.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15543107584 + 6699913609 = 124672^2 + 81853^2 .

It is a cyclic number.

It is not a de Polignac number, because 22243021193 - 2¹⁰ = 22243020169 is a prime.

It is not a weakly prime, because it can be changed into another prime (22243021133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11121510596 + 11121510597.

It is an arithmetic number, because the mean of its divisors is an integer number (11121510597).

Almost surely, 2^22243021193 is an apocalyptic number.

It is an amenable number.

22243021193 is a deficient number, since it is larger than the sum of its proper divisors (1).

22243021193 is an equidigital number, since it uses as much as digits as its factorization.

22243021193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 22243021193 in words is "twenty-two billion, two hundred forty-three million, twenty-one thousand, one hundred ninety-three".