6622118 has 4 divisors (see below), whose sum is σ = 9933180. Its totient is φ = 3311058.

The previous prime is 6622111. The next prime is 6622151. The reversal of 6622118 is 8112266.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6622111) 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 as a sum of consecutive naturals, namely, 1655528 + ... + 1655531.

It is an arithmetic number, because the mean of its divisors is an integer number (2483295).

Almost surely, 2^6622118 is an apocalyptic number.

6622118 is a deficient number, since it is larger than the sum of its proper divisors (3311062).

6622118 is a wasteful number, since it uses less digits than its factorization.

6622118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3311061.

The product of its digits is 1152, while the sum is 26.

The square root of 6622118 is about 2573.3476251762. The cubic root of 6622118 is about 187.7870495080.

The spelling of 6622118 in words is "six million, six hundred twenty-two thousand, one hundred eighteen".