6318220 has 24 divisors (see below), whose sum is σ = 14049504. Its totient is φ = 2378496.

The previous prime is 6318211. The next prime is 6318227. The reversal of 6318220 is 228136.

It is a junction number, because it is equal to n+sod(n) for n = 6318191 and 6318200.

It is not an unprimeable number, because it can be changed into a prime (6318227) 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, 8952 + ... + 9631.

It is an arithmetic number, because the mean of its divisors is an integer number (585396).

Almost surely, 2^6318220 is an apocalyptic number.

It is an amenable number.

6318220 is an abundant number, since it is smaller than the sum of its proper divisors (7731284).

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

6318220 is a wasteful number, since it uses less digits than its factorization.

6318220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18609 (or 18607 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 6318220 is about 2513.6069700731. The cubic root of 6318220 is about 184.8693501702.

The spelling of 6318220 in words is "six million, three hundred eighteen thousand, two hundred twenty".