3221222111 has 4 divisors (see below), whose sum is σ = 3221378472. Its totient is φ = 3221065752.

The previous prime is 3221222099. The next prime is 3221222117. The reversal of 3221222111 is 1112221223.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1112221223 = 15679 ⋅70937.

It is a cyclic number.

It is not a de Polignac number, because 3221222111 - 2²⁶ = 3154113247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3221222111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221222117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41561 + ... + 90386.

It is an arithmetic number, because the mean of its divisors is an integer number (805344618).

Almost surely, 2^3221222111 is an apocalyptic number.

3221222111 is a deficient number, since it is larger than the sum of its proper divisors (156361).

3221222111 is a wasteful number, since it uses less digits than its factorization.

3221222111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156360.

The product of its digits is 96, while the sum is 17.

The square root of 3221222111 is about 56755.8112531219. The cubic root of 3221222111 is about 1476.8630463455.

Adding to 3221222111 its reverse (1112221223), we get a palindrome (4333443334).

The spelling of 3221222111 in words is "three billion, two hundred twenty-one million, two hundred twenty-two thousand, one hundred eleven".