3221612 has 6 divisors (see below), whose sum is σ = 5637828. Its totient is φ = 1610804.

The previous prime is 3221599. The next prime is 3221629. The reversal of 3221612 is 2161223.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402698 + ... + 402705.

It is an arithmetic number, because the mean of its divisors is an integer number (939638).

Almost surely, 2^3221612 is an apocalyptic number.

It is an amenable number.

3221612 is a deficient number, since it is larger than the sum of its proper divisors (2416216).

3221612 is a wasteful number, since it uses less digits than its factorization.

3221612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805407 (or 805405 counting only the distinct ones).

The product of its digits is 144, while the sum is 17.

The square root of 3221612 is about 1794.8849545305. The cubic root of 3221612 is about 147.6922629262.

Adding to 3221612 its reverse (2161223), we get a palindrome (5382835).

The spelling of 3221612 in words is "three million, two hundred twenty-one thousand, six hundred twelve".