6885220 has 24 divisors (see below), whose sum is σ = 15220800. Its totient is φ = 2608992.

The previous prime is 6885217. The next prime is 6885233. The reversal of 6885220 is 225886.

It is an unprimeable number.

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, 8680 + ... + 9439.

It is an arithmetic number, because the mean of its divisors is an integer number (634200).

Almost surely, 2^6885220 is an apocalyptic number.

It is an amenable number.

6885220 is an abundant number, since it is smaller than the sum of its proper divisors (8335580).

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

6885220 is a wasteful number, since it uses less digits than its factorization.

6885220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18147 (or 18145 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 6885220 is about 2623.9702742219. The cubic root of 6885220 is about 190.2417974169.

The spelling of 6885220 in words is "six million, eight hundred eighty-five thousand, two hundred twenty".