3221220234344 has 48 divisors (see below), whose sum is σ = 7026743026080. Its totient is φ = 1380352548960.

The previous prime is 3221220234343. The next prime is 3221220234377. The reversal of 3221220234344 is 4434320221223.

It is a super-2 number, since 2×3221220234344² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3221220234344.

It is not an unprimeable number, because it can be changed into a prime (3221220234343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2698379 + ... + 3704549.

It is an arithmetic number, because the mean of its divisors is an integer number (146390479710).

Almost surely, 2^{3221220234344} is an apocalyptic number.

It is an amenable number.

3221220234344 is an abundant number, since it is smaller than the sum of its proper divisors (3805522791736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3221220234344 is a wasteful number, since it uses less digits than its factorization.

3221220234344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014358 (or 1014347 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 3221220234344 its reverse (4434320221223), we get a palindrome (7655540455567).

The spelling of 3221220234344 in words is "three trillion, two hundred twenty-one billion, two hundred twenty million, two hundred thirty-four thousand, three hundred forty-four".