3245221 has 12 divisors (see below), whose sum is σ = 3817632. Its totient is φ = 2750328.

The previous prime is 3245213. The next prime is 3245237. The reversal of 3245221 is 1225423.

It is not a de Polignac number, because 3245221 - 2³ = 3245213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3245201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4726 + ... + 5368.

It is an arithmetic number, because the mean of its divisors is an integer number (318136).

Almost surely, 2^3245221 is an apocalyptic number.

It is an amenable number.

3245221 is a deficient number, since it is larger than the sum of its proper divisors (572411).

3245221 is a wasteful number, since it uses less digits than its factorization.

3245221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760 (or 753 counting only the distinct ones).

The product of its digits is 480, while the sum is 19.

The square root of 3245221 is about 1801.4496939965. The cubic root of 3245221 is about 148.0521638621.

The spelling of 3245221 in words is "three million, two hundred forty-five thousand, two hundred twenty-one".