4720224 has 24 divisors (see below), whose sum is σ = 12390840. Its totient is φ = 1573376.

The previous prime is 4720223. The next prime is 4720229. The reversal of 4720224 is 4220274.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×4720224² = 44561029220352, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4720224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4720223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24489 + ... + 24680.

It is an arithmetic number, because the mean of its divisors is an integer number (516285).

Almost surely, 2^4720224 is an apocalyptic number.

It is an amenable number.

4720224 is an abundant number, since it is smaller than the sum of its proper divisors (7670616).

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

4720224 is a wasteful number, since it uses less digits than its factorization.

4720224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49182 (or 49174 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 21.

The square root of 4720224 is about 2172.6076498070. The cubic root of 4720224 is about 167.7467840680.

Adding to 4720224 its reverse (4220274), we get a palindrome (8940498).

The spelling of 4720224 in words is "four million, seven hundred twenty thousand, two hundred twenty-four".