3221011222 has 24 divisors (see below), whose sum is σ = 5707382040. Its totient is φ = 1351471680.

The previous prime is 3221011219. The next prime is 3221011223. The reversal of 3221011222 is 2221101223.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3221011196 and 3221011205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221011223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 429447 + ... + 436882.

It is an arithmetic number, because the mean of its divisors is an integer number (237807585).

Almost surely, 2^3221011222 is an apocalyptic number.

3221011222 is a deficient number, since it is larger than the sum of its proper divisors (2486370818).

3221011222 is a wasteful number, since it uses less digits than its factorization.

3221011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866368 (or 866355 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 3221011222 is about 56753.9533600964. The cubic root of 3221011222 is about 1476.8308162418.

Adding to 3221011222 its reverse (2221101223), we get a palindrome (5442112445).

Subtracting from 3221011222 its reverse (2221101223), we obtain a palindrome (999909999).

It can be divided in two parts, 322101 and 1222, that added together give a palindrome (323323).

The spelling of 3221011222 in words is "three billion, two hundred twenty-one million, eleven thousand, two hundred twenty-two".