6366220 has 48 divisors (see below), whose sum is σ = 15704640. Its totient is φ = 2121984.

The previous prime is 6366203. The next prime is 6366223. The reversal of 6366220 is 226636.

6366220 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (6366223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4566 + ... + 5794.

It is an arithmetic number, because the mean of its divisors is an integer number (327180).

Almost surely, 2^6366220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6366220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7852320).

6366220 is an abundant number, since it is smaller than the sum of its proper divisors (9338420).

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

6366220 is a wasteful number, since it uses less digits than its factorization.

6366220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282 (or 1280 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 6366220 is about 2523.1369364345. The cubic root of 6366220 is about 185.3363251362.

The spelling of 6366220 in words is "six million, three hundred sixty-six thousand, two hundred twenty".