6221885 has 12 divisors (see below), whose sum is σ = 7655292. Its totient is φ = 4854528.

The previous prime is 6221879. The next prime is 6221909. The reversal of 6221885 is 5881226.

6221885 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2137444 + 4084441 = 1462^2 + 2021^2 .

It is not a de Polignac number, because 6221885 - 2⁴ = 6221869 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8909 + ... + 9581.

It is an arithmetic number, because the mean of its divisors is an integer number (637941).

Almost surely, 2^6221885 is an apocalyptic number.

It is an amenable number.

6221885 is a deficient number, since it is larger than the sum of its proper divisors (1433407).

6221885 is an equidigital number, since it uses as much as digits as its factorization.

6221885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764 (or 721 counting only the distinct ones).

The product of its digits is 7680, while the sum is 32.

The square root of 6221885 is about 2494.3706621110. The cubic root of 6221885 is about 183.9249556134.

The spelling of 6221885 in words is "six million, two hundred twenty-one thousand, eight hundred eighty-five".