6622579 has 4 divisors (see below), whose sum is σ = 6697080. Its totient is φ = 6548080.

The previous prime is 6622547. The next prime is 6622601. The reversal of 6622579 is 9752266.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9752266 = 2 ⋅4876133.

It is a cyclic number.

It is not a de Polignac number, because 6622579 - 2⁵ = 6622547 is a prime.

It is a super-2 number, since 2×6622579² = 87717105222482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6622379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37117 + ... + 37294.

It is an arithmetic number, because the mean of its divisors is an integer number (1674270).

Almost surely, 2^6622579 is an apocalyptic number.

6622579 is a deficient number, since it is larger than the sum of its proper divisors (74501).

6622579 is an equidigital number, since it uses as much as digits as its factorization.

6622579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74500.

The product of its digits is 45360, while the sum is 37.

The square root of 6622579 is about 2573.4371956588. The cubic root of 6622579 is about 187.7914070173.

It can be divided in two parts, 662257 and 9, that added together give a palindrome (662266).

The spelling of 6622579 in words is "six million, six hundred twenty-two thousand, five hundred seventy-nine".