2213443 has 8 divisors (see below), whose sum is σ = 2355920. Its totient is φ = 2073600.

The previous prime is 2213441. The next prime is 2213447. The reversal of 2213443 is 3443122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2213443 - 2¹ = 2213441 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2213443.

It is not an unprimeable number, because it can be changed into a prime (2213441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1243 + ... + 2443.

It is an arithmetic number, because the mean of its divisors is an integer number (294490).

2^2213443 is an apocalyptic number.

2213443 is a deficient number, since it is larger than the sum of its proper divisors (142477).

2213443 is a wasteful number, since it uses less digits than its factorization.

2213443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317.

The product of its digits is 576, while the sum is 19.

The square root of 2213443 is about 1487.7644302779. The cubic root of 2213443 is about 130.3235137729.

Adding to 2213443 its reverse (3443122), we get a palindrome (5656565).

The spelling of 2213443 in words is "two million, two hundred thirteen thousand, four hundred forty-three".