3223181 has 8 divisors (see below), whose sum is σ = 3565464. Its totient is φ = 2894400.

The previous prime is 3223159. The next prime is 3223189. The reversal of 3223181 is 1813223.

3223181 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 434281 + 2788900 = 659^2 + 1670^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3223181 - 2¹⁸ = 2961037 is a prime.

It is a super-2 number, since 2×3223181² = 20777791517522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3223189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2870 + ... + 3831.

It is an arithmetic number, because the mean of its divisors is an integer number (445683).

Almost surely, 2^3223181 is an apocalyptic number.

It is an amenable number.

3223181 is a deficient number, since it is larger than the sum of its proper divisors (342283).

3223181 is a wasteful number, since it uses less digits than its factorization.

3223181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6751.

The product of its digits is 288, while the sum is 20.

The square root of 3223181 is about 1795.3219766939. The cubic root of 3223181 is about 147.7162355577.

The spelling of 3223181 in words is "three million, two hundred twenty-three thousand, one hundred eighty-one".