6223663 has 4 divisors (see below), whose sum is σ = 6250608. Its totient is φ = 6196720.

The previous prime is 6223627. The next prime is 6223667. The reversal of 6223663 is 3663226.

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

It is a cyclic number.

It is not a de Polignac number, because 6223663 - 2¹³ = 6215471 is a prime.

It is a super-2 number, since 2×6223663² = 77467962275138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6223667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13123 + ... + 13588.

It is an arithmetic number, because the mean of its divisors is an integer number (1562652).

Almost surely, 2^6223663 is an apocalyptic number.

6223663 is a deficient number, since it is larger than the sum of its proper divisors (26945).

6223663 is a wasteful number, since it uses less digits than its factorization.

6223663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26944.

The product of its digits is 7776, while the sum is 28.

The square root of 6223663 is about 2494.7270391768. The cubic root of 6223663 is about 183.9424737464.

Adding to 6223663 its reverse (3663226), we get a palindrome (9886889).

It can be divided in two parts, 6223 and 663, that added together give a palindrome (6886).

The spelling of 6223663 in words is "six million, two hundred twenty-three thousand, six hundred sixty-three".