3212221222 has 16 divisors (see below), whose sum is σ = 5509649952. Its totient is φ = 1375920000.

The previous prime is 3212221211. The next prime is 3212221231. The reversal of 3212221222 is 2221222123.

It is a self number, because there is not a number n which added to its sum of digits gives 3212221222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35029 + ... + 87472.

It is an arithmetic number, because the mean of its divisors is an integer number (344353122).

Almost surely, 2^3212221222 is an apocalyptic number.

3212221222 is a deficient number, since it is larger than the sum of its proper divisors (2297428730).

3212221222 is a wasteful number, since it uses less digits than its factorization.

3212221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124383.

The product of its digits is 384, while the sum is 19.

The square root of 3212221222 is about 56676.4609163275. The cubic root of 3212221222 is about 1475.4861899302.

Adding to 3212221222 its reverse (2221222123), we get a palindrome (5433443345).

Subtracting from 3212221222 its reverse (2221222123), we obtain a palindrome (990999099).

The spelling of 3212221222 in words is "three billion, two hundred twelve million, two hundred twenty-one thousand, two hundred twenty-two".