4323220 has 48 divisors (see below), whose sum is σ = 10156608. Its totient is φ = 1532160.

The previous prime is 4323217. The next prime is 4323239. The reversal of 4323220 is 223234.

It is a junction number, because it is equal to n+sod(n) for n = 4323194 and 4323203.

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, 9232 + ... + 9688.

It is an arithmetic number, because the mean of its divisors is an integer number (211596).

Almost surely, 2^4323220 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 4323220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5078304).

4323220 is an abundant number, since it is smaller than the sum of its proper divisors (5833388).

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

4323220 is a wasteful number, since it uses less digits than its factorization.

4323220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520 (or 518 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 4323220 is about 2079.2354364044. The cubic root of 4323220 is about 162.9055118754.

Adding to 4323220 its reverse (223234), we get a palindrome (4546454).

The spelling of 4323220 in words is "four million, three hundred twenty-three thousand, two hundred twenty".