6622491 has 8 divisors (see below), whose sum is σ = 8942080. Its totient is φ = 4358952.

The previous prime is 6622489. The next prime is 6622493. The reversal of 6622491 is 1942266.

It is an interprime number because it is at equal distance from previous prime (6622489) and next prime (6622493).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6622491 - 2¹ = 6622489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6622493) 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, 13735 + ... + 14208.

It is an arithmetic number, because the mean of its divisors is an integer number (1117760).

Almost surely, 2^6622491 is an apocalyptic number.

6622491 is a deficient number, since it is larger than the sum of its proper divisors (2319589).

6622491 is a wasteful number, since it uses less digits than its factorization.

6622491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28025.

The product of its digits is 5184, while the sum is 30.

The square root of 6622491 is about 2573.4200978464. The cubic root of 6622491 is about 187.7905752307.

The spelling of 6622491 in words is "six million, six hundred twenty-two thousand, four hundred ninety-one".