2243589 has 4 divisors (see below), whose sum is σ = 2991456. Its totient is φ = 1495724.

The previous prime is 2243587. The next prime is 2243597. The reversal of 2243589 is 9853422.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2243589 - 2¹ = 2243587 is a prime.

It is a D-number.

2243589 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243587) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 373929 + ... + 373934.

It is an arithmetic number, because the mean of its divisors is an integer number (747864).

2^2243589 is an apocalyptic number.

It is an amenable number.

2243589 is a deficient number, since it is larger than the sum of its proper divisors (747867).

2243589 is an equidigital number, since it uses as much as digits as its factorization.

2243589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747866.

The product of its digits is 17280, while the sum is 33.

The square root of 2243589 is about 1497.8614755711. The cubic root of 2243589 is about 130.9124952205.

The spelling of 2243589 in words is "two million, two hundred forty-three thousand, five hundred eighty-nine".