3225220 has 24 divisors (see below), whose sum is σ = 6830208. Its totient is φ = 1279200.

The previous prime is 3225203. The next prime is 3225227. The reversal of 3225220 is 225223.

It is a junction number, because it is equal to n+sod(n) for n = 3225194 and 3225203.

It is not an unprimeable number, because it can be changed into a prime (3225227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2005 + ... + 3235.

It is an arithmetic number, because the mean of its divisors is an integer number (284592).

Almost surely, 2^3225220 is an apocalyptic number.

It is an amenable number.

3225220 is an abundant number, since it is smaller than the sum of its proper divisors (3604988).

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

3225220 is a wasteful number, since it uses less digits than its factorization.

3225220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371 (or 1369 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 3225220 is about 1795.8897516273. The cubic root of 3225220 is about 147.7473776618.

It can be divided in two parts, 32 and 25220, that added together give a palindrome (25252).

The spelling of 3225220 in words is "three million, two hundred twenty-five thousand, two hundred twenty".