2173223 has 8 divisors (see below), whose sum is σ = 2352000. Its totient is φ = 1996128.

The previous prime is 2173219. The next prime is 2173243. The reversal of 2173223 is 3223712.

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 2173223 - 2² = 2173219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2173195 and 2173204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2173243) 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, 4298 + ... + 4776.

It is an arithmetic number, because the mean of its divisors is an integer number (294000).

2^2173223 is an apocalyptic number.

2173223 is a deficient number, since it is larger than the sum of its proper divisors (178777).

2173223 is a wasteful number, since it uses less digits than its factorization.

2173223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841.

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

The square root of 2173223 is about 1474.1855378479. The cubic root of 2173223 is about 129.5293235723.

Adding to 2173223 its reverse (3223712), we get a palindrome (5396935).

The spelling of 2173223 in words is "two million, one hundred seventy-three thousand, two hundred twenty-three".