6628223 has 8 divisors (see below), whose sum is σ = 7608480. Its totient is φ = 5656320.

The previous prime is 6628201. The next prime is 6628247. The reversal of 6628223 is 3228266.

6628223 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 6628223 - 2⁶ = 6628159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6628253) 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, 278 + ... + 3651.

It is an arithmetic number, because the mean of its divisors is an integer number (951060).

Almost surely, 2^6628223 is an apocalyptic number.

6628223 is a deficient number, since it is larger than the sum of its proper divisors (980257).

6628223 is a wasteful number, since it uses less digits than its factorization.

6628223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4177.

The product of its digits is 6912, while the sum is 29.

The square root of 6628223 is about 2574.5335499853. The cubic root of 6628223 is about 187.8447393998.

The spelling of 6628223 in words is "six million, six hundred twenty-eight thousand, two hundred twenty-three".