3221222120002 has 8 divisors (see below), whose sum is σ = 4831842602700. Its totient is φ = 1610607919104.

The previous prime is 3221222119987. The next prime is 3221222120009. The reversal of 3221222120002 is 2000212221223.

It can be written as a sum of positive squares in 2 ways, for example, as 2935434582721 + 285787537281 = 1713311^2 + 534591^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (3221222120009) 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, 43074 + ... + 2538562.

Almost surely, 2^{3221222120002} is an apocalyptic number.

3221222120002 is a deficient number, since it is larger than the sum of its proper divisors (1610620482698).

3221222120002 is a wasteful number, since it uses less digits than its factorization.

3221222120002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3140900.

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

Adding to 3221222120002 its reverse (2000212221223), we get a palindrome (5221434341225).

The spelling of 3221222120002 in words is "three trillion, two hundred twenty-one billion, two hundred twenty-two million, one hundred twenty thousand, two".