4224736 has 36 divisors (see below), whose sum is σ = 8657712. Its totient is φ = 2028416.

The previous prime is 4224733. The next prime is 4224739. The reversal of 4224736 is 6374224.

It is an interprime number because it is at equal distance from previous prime (4224733) and next prime (4224739).

It is an Ulam number.

It is a d-powerful number, because it can be written as 4⁶ + 2⁵ + 2¹³ + 4¹¹ + 7⁵ + 3² + 6⁴ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4224733) 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, 79686 + ... + 79738.

It is an arithmetic number, because the mean of its divisors is an integer number (240492).

Almost surely, 2^4224736 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 4224736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4328856).

4224736 is an abundant number, since it is smaller than the sum of its proper divisors (4432976).

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

4224736 is an equidigital number, since it uses as much as digits as its factorization.

4224736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163 (or 102 counting only the distinct ones).

The product of its digits is 8064, while the sum is 28.

The square root of 4224736 is about 2055.4162595445. The cubic root of 4224736 is about 161.6589890191.

The spelling of 4224736 in words is "four million, two hundred twenty-four thousand, seven hundred thirty-six".