3222581 has 2 divisors, whose sum is σ = 3222582. Its totient is φ = 3222580.

The previous prime is 3222551. The next prime is 3222613. The reversal of 3222581 is 1852223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2430481 + 792100 = 1559^2 + 890^2 .

It is a cyclic number.

It is not a de Polignac number, because 3222581 - 2¹⁰ = 3221557 is a prime.

It is a super-2 number, since 2×3222581² = 20770056603122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3222551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1611290 + 1611291.

It is an arithmetic number, because the mean of its divisors is an integer number (1611291).

Almost surely, 2^3222581 is an apocalyptic number.

It is an amenable number.

3222581 is a deficient number, since it is larger than the sum of its proper divisors (1).

3222581 is an equidigital number, since it uses as much as digits as its factorization.

3222581 is an evil number, because the sum of its binary digits is even.

The product of its digits is 960, while the sum is 23.

The square root of 3222581 is about 1795.1548679710. The cubic root of 3222581 is about 147.7070691223.

The spelling of 3222581 in words is "three million, two hundred twenty-two thousand, five hundred eighty-one".