4724220 has 24 divisors (see below), whose sum is σ = 13227984. Its totient is φ = 1259776.

The previous prime is 4724219. The next prime is 4724221. The reversal of 4724220 is 224274.

It is an interprime number because it is at equal distance from previous prime (4724219) and next prime (4724221).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4724221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39309 + ... + 39428.

It is an arithmetic number, because the mean of its divisors is an integer number (551166).

Almost surely, 2^4724220 is an apocalyptic number.

It is an amenable number.

4724220 is an abundant number, since it is smaller than the sum of its proper divisors (8503764).

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

4724220 is a wasteful number, since it uses less digits than its factorization.

4724220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78749 (or 78747 counting only the distinct ones).

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

The square root of 4724220 is about 2173.5270874779. The cubic root of 4724220 is about 167.7941071811.

Adding to 4724220 its reverse (224274), we get a palindrome (4948494).

The spelling of 4724220 in words is "four million, seven hundred twenty-four thousand, two hundred twenty".