6220866 has 32 divisors (see below), whose sum is σ = 13210560. Its totient is φ = 1947456.

The previous prime is 6220849. The next prime is 6220871. The reversal of 6220866 is 6680226.

6220866 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22320 + ... + 22596.

It is an arithmetic number, because the mean of its divisors is an integer number (412830).

Almost surely, 2^6220866 is an apocalyptic number.

6220866 is an abundant number, since it is smaller than the sum of its proper divisors (6989694).

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

6220866 is a wasteful number, since it uses less digits than its factorization.

6220866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 6220866 is about 2494.1663938078. The cubic root of 6220866 is about 183.9149141891.

The spelling of 6220866 in words is "six million, two hundred twenty thousand, eight hundred sixty-six".