6622617 has 4 divisors (see below), whose sum is σ = 8830160. Its totient is φ = 4415076.

The previous prime is 6622601. The next prime is 6622619. The reversal of 6622617 is 7162266.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 6622617 - 2⁴ = 6622601 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6622619) 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 3 ways as a sum of consecutive naturals, for example, 1103767 + ... + 1103772.

It is an arithmetic number, because the mean of its divisors is an integer number (2207540).

Almost surely, 2^6622617 is an apocalyptic number.

It is an amenable number.

6622617 is a deficient number, since it is larger than the sum of its proper divisors (2207543).

6622617 is a wasteful number, since it uses less digits than its factorization.

6622617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2207542.

The product of its digits is 6048, while the sum is 30.

The square root of 6622617 is about 2573.4445787699. Note that the first 3 decimals coincide. The cubic root of 6622617 is about 187.7917661955.

The spelling of 6622617 in words is "six million, six hundred twenty-two thousand, six hundred seventeen".