6625223 has 16 divisors (see below), whose sum is σ = 7776000. Its totient is φ = 5577600.

The previous prime is 6625207. The next prime is 6625237. The reversal of 6625223 is 3225266.

It is a cyclic number.

It is not a de Polignac number, because 6625223 - 2⁴ = 6625207 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6625192 and 6625201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6625273) 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 15 ways as a sum of consecutive naturals, for example, 13028 + ... + 13526.

It is an arithmetic number, because the mean of its divisors is an integer number (486000).

Almost surely, 2^6625223 is an apocalyptic number.

6625223 is a deficient number, since it is larger than the sum of its proper divisors (1150777).

6625223 is a wasteful number, since it uses less digits than its factorization.

6625223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598.

The product of its digits is 4320, while the sum is 26.

The square root of 6625223 is about 2573.9508542317. The cubic root of 6625223 is about 187.8163949873.

It can be divided in two parts, 662 and 5223, that added together give a palindrome (5885).

The spelling of 6625223 in words is "six million, six hundred twenty-five thousand, two hundred twenty-three".