6623622 has 36 divisors (see below), whose sum is σ = 14738724. Its totient is φ = 2149680.

The previous prime is 6623611. The next prime is 6623707. The reversal of 6623622 is 2263266.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 50497 + ... + 50627.

It is an arithmetic number, because the mean of its divisors is an integer number (409409).

Almost surely, 2^6623622 is an apocalyptic number.

6623622 is an abundant number, since it is smaller than the sum of its proper divisors (8115102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6623622 is a wasteful number, since it uses less digits than its factorization.

6623622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245 (or 189 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 6623622 is about 2573.6398349419. The cubic root of 6623622 is about 187.8012650175.

Adding to 6623622 its reverse (2263266), we get a palindrome (8886888).

The spelling of 6623622 in words is "six million, six hundred twenty-three thousand, six hundred twenty-two".