3222081 has 12 divisors (see below), whose sum is σ = 4731220. Its totient is φ = 2112480.

The previous prime is 3222059. The next prime is 3222083. The reversal of 3222081 is 1802223.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 194481 + 3027600 = 441^2 + 1740^2 .

It is not a de Polignac number, because 3222081 - 2¹¹ = 3220033 is a prime.

It is a super-2 number, since 2×3222081² = 20763611941122, which contains 22 as substring.

It is a Duffinian number.

3222081 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3222083) 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, 2386 + ... + 3483.

Almost surely, 2^3222081 is an apocalyptic number.

It is an amenable number.

3222081 is a deficient number, since it is larger than the sum of its proper divisors (1509139).

3222081 is a wasteful number, since it uses less digits than its factorization.

3222081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5936 (or 5933 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 3222081 is about 1795.0155988180. The cubic root of 3222081 is about 147.6994295569.

The spelling of 3222081 in words is "three million, two hundred twenty-two thousand, eighty-one".