6634223 has 2 divisors, whose sum is σ = 6634224. Its totient is φ = 6634222.

The previous prime is 6634219. The next prime is 6634231. The reversal of 6634223 is 3224366.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6634223 - 2² = 6634219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6634192 and 6634201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6634423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3317111 + 3317112.

It is an arithmetic number, because the mean of its divisors is an integer number (3317112).

Almost surely, 2^6634223 is an apocalyptic number.

6634223 is a deficient number, since it is larger than the sum of its proper divisors (1).

6634223 is an equidigital number, since it uses as much as digits as its factorization.

6634223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 26.

The square root of 6634223 is about 2575.6985460259. The cubic root of 6634223 is about 187.9014025771.

Adding to 6634223 its reverse (3224366), we get a palindrome (9858589).

The spelling of 6634223 in words is "six million, six hundred thirty-four thousand, two hundred twenty-three".