4350220 has 72 divisors (see below), whose sum is σ = 11146464. Its totient is φ = 1419264.

The previous prime is 4350217. The next prime is 4350251. The reversal of 4350220 is 220534.

It is a junction number, because it is equal to n+sod(n) for n = 4350194 and 4350203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22444 + ... + 22636.

It is an arithmetic number, because the mean of its divisors is an integer number (154812).

Almost surely, 2^4350220 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 4350220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5573232).

4350220 is an abundant number, since it is smaller than the sum of its proper divisors (6796244).

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

4350220 is a wasteful number, since it uses less digits than its factorization.

4350220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239 (or 230 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 4350220 is about 2085.7181017578. The cubic root of 4350220 is about 163.2439420153.

Adding to 4350220 its reverse (220534), we get a palindrome (4570754).

The spelling of 4350220 in words is "four million, three hundred fifty thousand, two hundred twenty".