2205403117 has 2 divisors, whose sum is σ = 2205403118. Its totient is φ = 2205403116.

The previous prime is 2205403111. The next prime is 2205403127. The reversal of 2205403117 is 7113045022.

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., 1538679076 + 666724041 = 39226^2 + 25821^2 .

It is a cyclic number.

It is not a de Polignac number, because 2205403117 - 2¹⁹ = 2204878829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2205403091 and 2205403100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2205403111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1102701558 + 1102701559.

It is an arithmetic number, because the mean of its divisors is an integer number (1102701559).

Almost surely, 2^2205403117 is an apocalyptic number.

It is an amenable number.

2205403117 is a deficient number, since it is larger than the sum of its proper divisors (1).

2205403117 is an equidigital number, since it uses as much as digits as its factorization.

2205403117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 2205403117 is about 46961.7196980690. The cubic root of 2205403117 is about 1301.6553108980.

Adding to 2205403117 its reverse (7113045022), we get a palindrome (9318448139).

The spelling of 2205403117 in words is "two billion, two hundred five million, four hundred three thousand, one hundred seventeen".