6629223 has 4 divisors (see below), whose sum is σ = 8838968. Its totient is φ = 4419480.

The previous prime is 6629219. The next prime is 6629237. The reversal of 6629223 is 3229266.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6629223 - 2² = 6629219 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6629213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1104868 + ... + 1104873.

It is an arithmetic number, because the mean of its divisors is an integer number (2209742).

Almost surely, 2^6629223 is an apocalyptic number.

6629223 is a deficient number, since it is larger than the sum of its proper divisors (2209745).

6629223 is a wasteful number, since it uses less digits than its factorization.

6629223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2209744.

The product of its digits is 7776, while the sum is 30.

The square root of 6629223 is about 2574.7277525983. The cubic root of 6629223 is about 187.8541856367.

The spelling of 6629223 in words is "six million, six hundred twenty-nine thousand, two hundred twenty-three".