3381220 has 24 divisors (see below), whose sum is σ = 7137144. Its totient is φ = 1345536.

The previous prime is 3381211. The next prime is 3381223. The reversal of 3381220 is 221833.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2232036 + 1149184 = 1494^2 + 1072^2 .

It is a super-2 number, since 2×3381220² = 22865297376800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3381223) 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 7 ways as a sum of consecutive naturals, for example, 5572 + ... + 6148.

It is an arithmetic number, because the mean of its divisors is an integer number (297381).

Almost surely, 2^3381220 is an apocalyptic number.

It is an amenable number.

3381220 is an abundant number, since it is smaller than the sum of its proper divisors (3755924).

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

3381220 is a wasteful number, since it uses less digits than its factorization.

3381220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879 (or 877 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 3381220 is about 1838.8093974091. The cubic root of 3381220 is about 150.0920915975.

The spelling of 3381220 in words is "three million, three hundred eighty-one thousand, two hundred twenty".