22352405993 has 2 divisors, whose sum is σ = 22352405994. Its totient is φ = 22352405992.

The previous prime is 22352405983. The next prime is 22352406059. The reversal of 22352405993 is 39950425322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22244827609 + 107578384 = 149147^2 + 10372^2 .

It is a cyclic number.

It is not a de Polignac number, because 22352405993 - 2⁸ = 22352405737 is a prime.

It is not a weakly prime, because it can be changed into another prime (22352405963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11176202996 + 11176202997.

It is an arithmetic number, because the mean of its divisors is an integer number (11176202997).

Almost surely, 2^22352405993 is an apocalyptic number.

It is an amenable number.

22352405993 is a deficient number, since it is larger than the sum of its proper divisors (1).

22352405993 is an equidigital number, since it uses as much as digits as its factorization.

22352405993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 583200, while the sum is 44.

The spelling of 22352405993 in words is "twenty-two billion, three hundred fifty-two million, four hundred five thousand, nine hundred ninety-three".