3221222 has 16 divisors (see below), whose sum is σ = 5141760. Its totient is φ = 1509192.

The previous prime is 3221189. The next prime is 3221237. The reversal of 3221222 is 2221223.

3221222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3221197 and 3221206.

It is a congruent number.

It is an unprimeable number.

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, 3503 + ... + 4325.

It is an arithmetic number, because the mean of its divisors is an integer number (321360).

Almost surely, 2^3221222 is an apocalyptic number.

3221222 is a deficient number, since it is larger than the sum of its proper divisors (1920538).

3221222 is a wasteful number, since it uses less digits than its factorization.

3221222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947.

The product of its digits is 96, while the sum is 14.

The square root of 3221222 is about 1794.7763091817. The cubic root of 3221222 is about 147.6863029382.

Adding to 3221222 its reverse (2221223), we get a palindrome (5442445).

Subtracting from 3221222 its reverse (2221223), we obtain a palindrome (999999).

It can be divided in two parts, 3221 and 222, that added together give a palindrome (3443).

The spelling of 3221222 in words is "three million, two hundred twenty-one thousand, two hundred twenty-two".