3221222353452 has 36 divisors (see below), whose sum is σ = 8144889972856. Its totient is φ = 1073430144000.

The previous prime is 3221222353441. The next prime is 3221222353499. The reversal of 3221222353452 is 2543532221223.

3221222353452 is a `hidden beast` number, since 32 + 2 + 1 + 22 + 23 + 534 + 52 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12817174 + ... + 13066077.

Almost surely, 2^{3221222353452} is an apocalyptic number.

It is an amenable number.

3221222353452 is an abundant number, since it is smaller than the sum of its proper divisors (4923667619404).

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

3221222353452 is a wasteful number, since it uses less digits than its factorization.

3221222353452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25886718 (or 25886713 counting only the distinct ones).

The product of its digits is 172800, while the sum is 36.

Adding to 3221222353452 its reverse (2543532221223), we get a palindrome (5764754574675).

The spelling of 3221222353452 in words is "three trillion, two hundred twenty-one billion, two hundred twenty-two million, three hundred fifty-three thousand, four hundred fifty-two".