2289211 has 2 divisors, whose sum is σ = 2289212. Its totient is φ = 2289210.

The previous prime is 2289197. The next prime is 2289233. The reversal of 2289211 is 1129822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2289211 - 2⁵ = 2289179 is a prime.

It is not a weakly prime, because it can be changed into another prime (2289251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1144605 + 1144606.

It is an arithmetic number, because the mean of its divisors is an integer number (1144606).

2^2289211 is an apocalyptic number.

2289211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2289211 is an equidigital number, since it uses as much as digits as its factorization.

2289211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 576, while the sum is 25.

The square root of 2289211 is about 1513.0138796455. The cubic root of 2289211 is about 131.7938893872.

It can be divided in two parts, 2289 and 211, that added together give a square (2500 = 50²).

The spelling of 2289211 in words is "two million, two hundred eighty-nine thousand, two hundred eleven".