22033439993 has 2 divisors, whose sum is σ = 22033439994. Its totient is φ = 22033439992.

The previous prime is 22033439977. The next prime is 22033440043. The reversal of 22033439993 is 39993433022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15086717584 + 6946722409 = 122828^2 + 83347^2 .

It is a cyclic number.

It is not a de Polignac number, because 22033439993 - 2⁴ = 22033439977 is a prime.

It is not a weakly prime, because it can be changed into another prime (22033439963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11016719996 + 11016719997.

It is an arithmetic number, because the mean of its divisors is an integer number (11016719997).

Almost surely, 2^22033439993 is an apocalyptic number.

It is an amenable number.

22033439993 is a deficient number, since it is larger than the sum of its proper divisors (1).

22033439993 is an equidigital number, since it uses as much as digits as its factorization.

22033439993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 944784, while the sum is 47.

The spelling of 22033439993 in words is "twenty-two billion, thirty-three million, four hundred thirty-nine thousand, nine hundred ninety-three".