6622642 has 16 divisors (see below), whose sum is σ = 10765440. Its totient is φ = 3037392.

The previous prime is 6622631. The next prime is 6622661. The reversal of 6622642 is 2462266.

It is a self number, because there is not a number n which added to its sum of digits gives 6622642.

It is an unprimeable number.

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, 3943 + ... + 5365.

It is an arithmetic number, because the mean of its divisors is an integer number (672840).

Almost surely, 2^6622642 is an apocalyptic number.

6622642 is a deficient number, since it is larger than the sum of its proper divisors (4142798).

6622642 is a wasteful number, since it uses less digits than its factorization.

6622642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1617.

The product of its digits is 6912, while the sum is 28.

The square root of 6622642 is about 2573.4494360683. The cubic root of 6622642 is about 187.7920024963.

It can be divided in two parts, 662264 and 2, that added together give a palindrome (662266).

The spelling of 6622642 in words is "six million, six hundred twenty-two thousand, six hundred forty-two".