6622387 has 8 divisors (see below), whose sum is σ = 6811376. Its totient is φ = 6435072.

The previous prime is 6622379. The next prime is 6622391. The reversal of 6622387 is 7832266.

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 6622387 - 2³ = 6622379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6622307) 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, 14263 + ... + 14719.

It is an arithmetic number, because the mean of its divisors is an integer number (851422).

Almost surely, 2^6622387 is an apocalyptic number.

6622387 is a deficient number, since it is larger than the sum of its proper divisors (188989).

6622387 is a wasteful number, since it uses less digits than its factorization.

6622387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837.

The product of its digits is 24192, while the sum is 34.

The square root of 6622387 is about 2573.3998911945. The cubic root of 6622387 is about 187.7895922007.

The spelling of 6622387 in words is "six million, six hundred twenty-two thousand, three hundred eighty-seven".