4305220 has 12 divisors (see below), whose sum is σ = 9041004. Its totient is φ = 1722080.

The previous prime is 4305211. The next prime is 4305221. The reversal of 4305220 is 225034.

It can be written as a sum of positive squares in 2 ways, for example, as 1179396 + 3125824 = 1086^2 + 1768^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4305194 and 4305203.

It is not an unprimeable number, because it can be changed into a prime (4305221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107611 + ... + 107650.

It is an arithmetic number, because the mean of its divisors is an integer number (753417).

Almost surely, 2^4305220 is an apocalyptic number.

It is an amenable number.

4305220 is an abundant number, since it is smaller than the sum of its proper divisors (4735784).

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

4305220 is a wasteful number, since it uses less digits than its factorization.

4305220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215270 (or 215268 counting only the distinct ones).

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

The square root of 4305220 is about 2074.9024073435. The cubic root of 4305220 is about 162.6791082335.

The spelling of 4305220 in words is "four million, three hundred five thousand, two hundred twenty".