3221109 has 24 divisors (see below), whose sum is σ = 5068440. Its totient is φ = 1963008.

The previous prime is 3221107. The next prime is 3221111. The reversal of 3221109 is 9011223.

It is a happy number.

3221109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3221107) and next prime (3221111).

It can be written as a sum of positive squares in 4 ways, for example, as 980100 + 2241009 = 990^2 + 1497^2 .

It is not a de Polignac number, because 3221109 - 2¹ = 3221107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3221091 and 3221100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221107) 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 23 ways as a sum of consecutive naturals, for example, 5377 + ... + 5945.

It is an arithmetic number, because the mean of its divisors is an integer number (211185).

Almost surely, 2^3221109 is an apocalyptic number.

It is an amenable number.

3221109 is a deficient number, since it is larger than the sum of its proper divisors (1847331).

3221109 is a wasteful number, since it uses less digits than its factorization.

3221109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629 (or 626 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 3221109 is about 1794.7448286595. The cubic root of 3221109 is about 147.6845759800.

It can be divided in two parts, 322 and 1109, that added together give a triangular number (1431 = T₅₃).

The spelling of 3221109 in words is "three million, two hundred twenty-one thousand, one hundred nine".