2205389 has 2 divisors, whose sum is σ = 2205390. Its totient is φ = 2205388.

The previous prime is 2205373. The next prime is 2205409. The reversal of 2205389 is 9835022.

2205389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2079364 + 126025 = 1442^2 + 355^2 .

It is a cyclic number.

It is not a de Polignac number, because 2205389 - 2⁴ = 2205373 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2205319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1102694 + 1102695.

It is an arithmetic number, because the mean of its divisors is an integer number (1102695).

2^2205389 is an apocalyptic number.

It is an amenable number.

2205389 is a deficient number, since it is larger than the sum of its proper divisors (1).

2205389 is an equidigital number, since it uses as much as digits as its factorization.

2205389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 2205389 is about 1485.0552178286. The cubic root of 2205389 is about 130.1652533551.

The spelling of 2205389 in words is "two million, two hundred five thousand, three hundred eighty-nine".