6622660 has 24 divisors (see below), whose sum is σ = 15172416. Its totient is φ = 2408160.

The previous prime is 6622631. The next prime is 6622661. The reversal of 6622660 is 662266.

It is not an unprimeable number, because it can be changed into a prime (6622661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14832 + ... + 15271.

It is an arithmetic number, because the mean of its divisors is an integer number (632184).

Almost surely, 2^6622660 is an apocalyptic number.

It is an amenable number.

6622660 is an abundant number, since it is smaller than the sum of its proper divisors (8549756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6622660 is a wasteful number, since it uses less digits than its factorization.

6622660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30123 (or 30121 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 6622660 is about 2573.4529333174. The cubic root of 6622660 is about 187.7921726325.

The spelling of 6622660 in words is "six million, six hundred twenty-two thousand, six hundred sixty".