2230289 has 4 divisors (see below), whose sum is σ = 2233524. Its totient is φ = 2227056.

The previous prime is 2230253. The next prime is 2230301. The reversal of 2230289 is 9820322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1849600 + 380689 = 1360^2 + 617^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2230289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2230219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122 + ... + 2115.

It is an arithmetic number, because the mean of its divisors is an integer number (558381).

2^2230289 is an apocalyptic number.

It is an amenable number.

2230289 is a deficient number, since it is larger than the sum of its proper divisors (3235).

2230289 is an equidigital number, since it uses as much as digits as its factorization.

2230289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3234.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 2230289 is about 1493.4152135290. The cubic root of 2230289 is about 130.6532991959.

The spelling of 2230289 in words is "two million, two hundred thirty thousand, two hundred eighty-nine".