6220818 has 12 divisors (see below), whose sum is σ = 13478478. Its totient is φ = 2073600.

The previous prime is 6220817. The next prime is 6220829. The reversal of 6220818 is 8180226.

6220818 is digitally balanced in base 4, 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 only one way, i.e., 6066369 + 154449 = 2463^2 + 393^2 .

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 6220791 and 6220800.

It is not an unprimeable number, because it can be changed into a prime (6220813) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 172783 + ... + 172818.

Almost surely, 2^6220818 is an apocalyptic number.

6220818 is an abundant number, since it is smaller than the sum of its proper divisors (7257660).

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

6220818 is a wasteful number, since it uses less digits than its factorization.

6220818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345609 (or 345606 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 6220818 is about 2494.1567713358. The cubic root of 6220818 is about 183.9144411607.

It can be divided in two parts, 62208 and 18, that added together give a palindrome (62226).

The spelling of 6220818 in words is "six million, two hundred twenty thousand, eight hundred eighteen".