2204399993 has 2 divisors, whose sum is σ = 2204399994. Its totient is φ = 2204399992.

The previous prime is 2204399959. The next prime is 2204400001. The reversal of 2204399993 is 3999934022.

2204399993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1853474704 + 350925289 = 43052^2 + 18733^2 .

It is a cyclic number.

It is not a de Polignac number, because 2204399993 - 2⁶ = 2204399929 is a prime.

It is not a weakly prime, because it can be changed into another prime (2204399933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1102199996 + 1102199997.

It is an arithmetic number, because the mean of its divisors is an integer number (1102199997).

Almost surely, 2^2204399993 is an apocalyptic number.

It is an amenable number.

2204399993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2204399993 is an equidigital number, since it uses as much as digits as its factorization.

2204399993 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 50.

The square root of 2204399993 is about 46951.0382526308. The cubic root of 2204399993 is about 1301.4579290391.

The spelling of 2204399993 in words is "two billion, two hundred four million, three hundred ninety-nine thousand, nine hundred ninety-three".