6622633 has 8 divisors (see below), whose sum is σ = 6758568. Its totient is φ = 6488064.

The previous prime is 6622631. The next prime is 6622661. The reversal of 6622633 is 3362266.

It can be written as a sum of positive squares in 4 ways, for example, as 2812329 + 3810304 = 1677^2 + 1952^2 .

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 6622633 - 2¹ = 6622631 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 (6622631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18585 + ... + 18937.

It is an arithmetic number, because the mean of its divisors is an integer number (844821).

Almost surely, 2^6622633 is an apocalyptic number.

It is an amenable number.

6622633 is a deficient number, since it is larger than the sum of its proper divisors (135935).

6622633 is a wasteful number, since it uses less digits than its factorization.

6622633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683.

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

The square root of 6622633 is about 2573.4476874419. The cubic root of 6622633 is about 187.7919174281.

Adding to 6622633 its reverse (3362266), we get a palindrome (9984899).

It can be divided in two parts, 662263 and 3, that added together give a palindrome (662266).

The spelling of 6622633 in words is "six million, six hundred twenty-two thousand, six hundred thirty-three".