6220424 has 32 divisors (see below), whose sum is σ = 13461120. Its totient is φ = 2639616.

The previous prime is 6220421. The next prime is 6220433. The reversal of 6220424 is 4240226.

It is a junction number, because it is equal to n+sod(n) for n = 6220396 and 6220405.

It is not an unprimeable number, because it can be changed into a prime (6220421) 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, 5837 + ... + 6819.

It is an arithmetic number, because the mean of its divisors is an integer number (420660).

Almost surely, 2^6220424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6220424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6730560).

6220424 is an abundant number, since it is smaller than the sum of its proper divisors (7240696).

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

6220424 is a wasteful number, since it uses less digits than its factorization.

6220424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109 (or 1105 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 6220424 is about 2494.0777854750. The cubic root of 6220424 is about 183.9105582941.

The spelling of 6220424 in words is "six million, two hundred twenty thousand, four hundred twenty-four".