6220218 has 16 divisors (see below), whose sum is σ = 12777120. Its totient is φ = 2017296.

The previous prime is 6220217. The next prime is 6220229. The reversal of 6220218 is 8120226.

It is a super-2 number, since 2×6220218² = 77382223935048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6220194 and 6220203.

It is not an unprimeable number, because it can be changed into a prime (6220217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13788 + ... + 14231.

It is an arithmetic number, because the mean of its divisors is an integer number (798570).

Almost surely, 2^6220218 is an apocalyptic number.

6220218 is an abundant number, since it is smaller than the sum of its proper divisors (6556902).

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

6220218 is a wasteful number, since it uses less digits than its factorization.

6220218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28061.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 6220218 is about 2494.0364873033. The cubic root of 6220218 is about 183.9085281006.

The spelling of 6220218 in words is "six million, two hundred twenty thousand, two hundred eighteen".