4032220 has 12 divisors (see below), whose sum is σ = 8467704. Its totient is φ = 1612880.

The previous prime is 4032211. The next prime is 4032221. The reversal of 4032220 is 222304.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 4032220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4032221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100786 + ... + 100825.

It is an arithmetic number, because the mean of its divisors is an integer number (705642).

Almost surely, 2^4032220 is an apocalyptic number.

It is an amenable number.

4032220 is an abundant number, since it is smaller than the sum of its proper divisors (4435484).

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

4032220 is a wasteful number, since it uses less digits than its factorization.

4032220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201620 (or 201618 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 4032220 is about 2008.0388442458. The cubic root of 4032220 is about 159.1651830800.

Adding to 4032220 its reverse (222304), we get a palindrome (4254524).

The spelling of 4032220 in words is "four million, thirty-two thousand, two hundred twenty".