4417220 has 12 divisors (see below), whose sum is σ = 9276204. Its totient is φ = 1766880.

The previous prime is 4417213. The next prime is 4417223. The reversal of 4417220 is 227144.

It can be written as a sum of positive squares in 2 ways, for example, as 3297856 + 1119364 = 1816^2 + 1058^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 220861 = 4417220 / (4 + 4 + 1 + 7 + 2 + 2 + 0).

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 4417192 and 4417201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4417223) 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, 110411 + ... + 110450.

It is an arithmetic number, because the mean of its divisors is an integer number (773017).

Almost surely, 2^4417220 is an apocalyptic number.

It is an amenable number.

4417220 is an abundant number, since it is smaller than the sum of its proper divisors (4858984).

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

4417220 is a wasteful number, since it uses less digits than its factorization.

4417220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220870 (or 220868 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 4417220 is about 2101.7183445933. The cubic root of 4417220 is about 164.0777442222.

The spelling of 4417220 in words is "four million, four hundred seventeen thousand, two hundred twenty".