3325221 has 6 divisors (see below), whose sum is σ = 4803110. Its totient is φ = 2216808.

The previous prime is 3325219. The next prime is 3325237. The reversal of 3325221 is 1225233.

It can be written as a sum of positive squares in only one way, i.e., 1920996 + 1404225 = 1386^2 + 1185^2 .

It is not a de Polignac number, because 3325221 - 2¹ = 3325219 is a prime.

It is a super-2 number, since 2×3325221² = 22114189397682, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3325194 and 3325203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3325211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 184726 + ... + 184743.

Almost surely, 2^3325221 is an apocalyptic number.

It is an amenable number.

3325221 is a deficient number, since it is larger than the sum of its proper divisors (1477889).

3325221 is a wasteful number, since it uses less digits than its factorization.

3325221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369475 (or 369472 counting only the distinct ones).

The product of its digits is 360, while the sum is 18.

The square root of 3325221 is about 1823.5188510131. The cubic root of 3325221 is about 149.2588776147.

The spelling of 3325221 in words is "three million, three hundred twenty-five thousand, two hundred twenty-one".