4405220 has 24 divisors (see below), whose sum is σ = 9502584. Its totient is φ = 1714176.

The previous prime is 4405217. The next prime is 4405231. The reversal of 4405220 is 225044.

It can be written as a sum of positive squares in 4 ways, for example, as 178084 + 4227136 = 422^2 + 2056^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2237 + ... + 3716.

It is an arithmetic number, because the mean of its divisors is an integer number (395941).

Almost surely, 2^4405220 is an apocalyptic number.

It is an amenable number.

4405220 is an abundant number, since it is smaller than the sum of its proper divisors (5097364).

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

4405220 is a wasteful number, since it uses less digits than its factorization.

4405220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5999 (or 5997 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 4405220 is about 2098.8615961992. The cubic root of 4405220 is about 163.9290293753.

It can be divided in two parts, 4 and 405220, that added together give a cube (405224 = 74³).

The spelling of 4405220 in words is "four million, four hundred five thousand, two hundred twenty".