4355220 has 48 divisors (see below), whose sum is σ = 12620160. Its totient is φ = 1120896.

The previous prime is 4355209. The next prime is 4355227. The reversal of 4355220 is 225534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4355227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 489 + ... + 2991.

It is an arithmetic number, because the mean of its divisors is an integer number (262920).

Almost surely, 2^4355220 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 4355220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6310080).

4355220 is an abundant number, since it is smaller than the sum of its proper divisors (8264940).

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

4355220 is a wasteful number, since it uses less digits than its factorization.

4355220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2544 (or 2542 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 4355220 is about 2086.9163854836. The cubic root of 4355220 is about 163.3064604778.

The spelling of 4355220 in words is "four million, three hundred fifty-five thousand, two hundred twenty".