4224216 has 64 divisors (see below), whose sum is σ = 11162880. Its totient is φ = 1330560.

The previous prime is 4224197. The next prime is 4224229. The reversal of 4224216 is 6124224.

It is a nude number because it is divisible by every one of its digits.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4224192 and 4224201.

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, 59461 + ... + 59531.

It is an arithmetic number, because the mean of its divisors is an integer number (174420).

Almost surely, 2^4224216 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 4224216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5581440).

4224216 is an abundant number, since it is smaller than the sum of its proper divisors (6938664).

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

4224216 is a wasteful number, since it uses less digits than its factorization.

4224216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184 (or 180 counting only the distinct ones).

The product of its digits is 768, while the sum is 21.

The square root of 4224216 is about 2055.2897605934. The cubic root of 4224216 is about 161.6523561688.

The spelling of 4224216 in words is "four million, two hundred twenty-four thousand, two hundred sixteen".