3328220 has 24 divisors (see below), whose sum is σ = 7988064. Its totient is φ = 1141056.

The previous prime is 3328219. The next prime is 3328229. The reversal of 3328220 is 228233.

It is a happy number.

3328220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3328220² = 22154096736800, which contains 22 as substring.

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 = 3328192 and 3328201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3328229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11747 + ... + 12026.

It is an arithmetic number, because the mean of its divisors is an integer number (332836).

Almost surely, 2^3328220 is an apocalyptic number.

It is an amenable number.

3328220 is an abundant number, since it is smaller than the sum of its proper divisors (4659844).

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

3328220 is a wasteful number, since it uses less digits than its factorization.

3328220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23789 (or 23787 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 3328220 is about 1824.3409769010. The cubic root of 3328220 is about 149.3037360738.

The spelling of 3328220 in words is "three million, three hundred twenty-eight thousand, two hundred twenty".