2259889 has 2 divisors, whose sum is σ = 2259890. Its totient is φ = 2259888.

The previous prime is 2259871. The next prime is 2259913. The reversal of 2259889 is 9889522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1520289 + 739600 = 1233^2 + 860^2 .

It is a cyclic number.

It is not a de Polignac number, because 2259889 - 2⁹ = 2259377 is a prime.

It is not a weakly prime, because it can be changed into another prime (2259289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1129944 + 1129945.

It is an arithmetic number, because the mean of its divisors is an integer number (1129945).

2^2259889 is an apocalyptic number.

It is an amenable number.

2259889 is a deficient number, since it is larger than the sum of its proper divisors (1).

2259889 is an equidigital number, since it uses as much as digits as its factorization.

2259889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 43.

The square root of 2259889 is about 1503.2927193331. The cubic root of 2259889 is about 131.2287633063.

The spelling of 2259889 in words is "two million, two hundred fifty-nine thousand, eight hundred eighty-nine".