3221105 has 16 divisors (see below), whose sum is σ = 4017600. Its totient is φ = 2477760.

The previous prime is 3221093. The next prime is 3221107. The reversal of 3221105 is 5011223.

3221105 = T₂₉₄ + T₂₉₅ + ... + T₃₅₄.

It is a happy number.

It is not a de Polignac number, because 3221105 - 2⁸ = 3220849 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3221105.

It is not an unprimeable number, because it can be changed into a prime (3221107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17906 + ... + 18084.

It is an arithmetic number, because the mean of its divisors is an integer number (251100).

Almost surely, 2^3221105 is an apocalyptic number.

It is an amenable number.

3221105 is a deficient number, since it is larger than the sum of its proper divisors (796495).

3221105 is a wasteful number, since it uses less digits than its factorization.

3221105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 3221105 is about 1794.7437142946. The cubic root of 3221105 is about 147.6845148480.

Adding to 3221105 its reverse (5011223), we get a palindrome (8232328).

The spelling of 3221105 in words is "three million, two hundred twenty-one thousand, one hundred five".