2290889 has 2 divisors, whose sum is σ = 2290890. Its totient is φ = 2290888.

The previous prime is 2290861. The next prime is 2290901. The reversal of 2290889 is 9880922.

2290889 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., 2190400 + 100489 = 1480^2 + 317^2 .

It is a cyclic number.

It is not a de Polignac number, because 2290889 - 2¹² = 2286793 is a prime.

It is a Chen prime.

It is equal to p₁₆₈₈₈₇ and since 2290889 and 168887 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (2290829) 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, 1145444 + 1145445.

It is an arithmetic number, because the mean of its divisors is an integer number (1145445).

2^2290889 is an apocalyptic number.

It is an amenable number.

2290889 is a deficient number, since it is larger than the sum of its proper divisors (1).

2290889 is an equidigital number, since it uses as much as digits as its factorization.

2290889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 2290889 is about 1513.5683004080. The cubic root of 2290889 is about 131.8260833227.

The spelling of 2290889 in words is "two million, two hundred ninety thousand, eight hundred eighty-nine".