4327220 has 36 divisors (see below), whose sum is σ = 9522660. Its totient is φ = 1651584.

The previous prime is 4327217. The next prime is 4327229. The reversal of 4327220 is 227234.

It is a happy number.

4327220 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2896804 + 1430416 = 1702^2 + 1196^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a d-powerful number, because it can be written as 4¹¹ + 3⁸ + 2 + 7⁶ + 2⁹ + 2¹³ + 0 .

It is a junction number, because it is equal to n+sod(n) for n = 4327192 and 4327201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4327229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10376 + ... + 10784.

Almost surely, 2^4327220 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 4327220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4761330).

4327220 is an abundant number, since it is smaller than the sum of its proper divisors (5195440).

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

4327220 is a wasteful number, since it uses less digits than its factorization.

4327220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464 (or 439 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 4327220 is about 2080.1971060455. The cubic root of 4327220 is about 162.9557384181.

The spelling of 4327220 in words is "four million, three hundred twenty-seven thousand, two hundred twenty".