6568220 has 12 divisors (see below), whose sum is σ = 13793304. Its totient is φ = 2627280.

The previous prime is 6568217. The next prime is 6568223. The reversal of 6568220 is 228656.

It is an interprime number because it is at equal distance from previous prime (6568217) and next prime (6568223).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6568223) 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, 164186 + ... + 164225.

It is an arithmetic number, because the mean of its divisors is an integer number (1149442).

Almost surely, 2^6568220 is an apocalyptic number.

It is an amenable number.

6568220 is an abundant number, since it is smaller than the sum of its proper divisors (7225084).

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

6568220 is a wasteful number, since it uses less digits than its factorization.

6568220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328420 (or 328418 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 6568220 is about 2562.8538780040. The cubic root of 6568220 is about 187.2761892492.

The spelling of 6568220 in words is "six million, five hundred sixty-eight thousand, two hundred twenty".