4435220 has 24 divisors (see below), whose sum is σ = 9367008. Its totient is φ = 1764000.

The previous prime is 4435183. The next prime is 4435237. The reversal of 4435220 is 225344.

It is a Smith number, since the sum of its digits (20) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 4435192 and 4435201.

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, 3695 + ... + 4745.

It is an arithmetic number, because the mean of its divisors is an integer number (390292).

Almost surely, 2^4435220 is an apocalyptic number.

It is an amenable number.

4435220 is an abundant number, since it is smaller than the sum of its proper divisors (4931788).

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

4435220 is a wasteful number, since it uses less digits than its factorization.

4435220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271 (or 1269 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 4435220 is about 2105.9962013261. The cubic root of 4435220 is about 164.3003123224.

It can be divided in two parts, 44 and 35220, that multiplied together give a triangular number (1549680 = T₁₇₆₀).

The spelling of 4435220 in words is "four million, four hundred thirty-five thousand, two hundred twenty".