2213173 has 4 divisors (see below), whose sum is σ = 2216160. Its totient is φ = 2210188.

The previous prime is 2213171. The next prime is 2213191. The reversal of 2213173 is 3713122.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2213173 - 2¹ = 2213171 is a prime.

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 2213173.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213171) 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, 558 + ... + 2176.

It is an arithmetic number, because the mean of its divisors is an integer number (554040).

2^2213173 is an apocalyptic number.

It is an amenable number.

2213173 is a deficient number, since it is larger than the sum of its proper divisors (2987).

2213173 is a wasteful number, since it uses less digits than its factorization.

2213173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2986.

The product of its digits is 252, while the sum is 19.

The square root of 2213173 is about 1487.6736873387. The cubic root of 2213173 is about 130.3182145205.

Adding to 2213173 its reverse (3713122), we get a palindrome (5926295).

The spelling of 2213173 in words is "two million, two hundred thirteen thousand, one hundred seventy-three".