2223173 has 4 divisors (see below), whose sum is σ = 2238048. Its totient is φ = 2208300.

The previous prime is 2223163. The next prime is 2223187. The reversal of 2223173 is 3713222.

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 a de Polignac number, because none of the positive numbers 2^k-2223173 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2223113) 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, 7211 + ... + 7512.

It is an arithmetic number, because the mean of its divisors is an integer number (559512).

2^2223173 is an apocalyptic number.

It is an amenable number.

2223173 is a deficient number, since it is larger than the sum of its proper divisors (14875).

2223173 is a wasteful number, since it uses less digits than its factorization.

2223173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14874.

The product of its digits is 504, while the sum is 20.

The square root of 2223173 is about 1491.0308514581. The cubic root of 2223173 is about 130.5141962312.

Adding to 2223173 its reverse (3713222), we get a palindrome (5936395).

The spelling of 2223173 in words is "two million, two hundred twenty-three thousand, one hundred seventy-three".