3221202303220 has 24 divisors (see below), whose sum is σ = 7379481640608. Its totient is φ = 1171346292000.

The previous prime is 3221202303217. The next prime is 3221202303257. The reversal of 3221202303220 is 223032021223.

It is a super-2 number, since 2×3221202303220² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 3221202303191 and 3221202303200.

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, 7320914106 + ... + 7320914545.

It is an arithmetic number, because the mean of its divisors is an integer number (307478401692).

Almost surely, 2^{3221202303220} is an apocalyptic number.

It is an amenable number.

3221202303220 is an abundant number, since it is smaller than the sum of its proper divisors (4158279337388).

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

3221202303220 is a wasteful number, since it uses less digits than its factorization.

3221202303220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14641828671 (or 14641828669 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 3221202303220 its reverse (223032021223), we get a palindrome (3444234324443).

The spelling of 3221202303220 in words is "three trillion, two hundred twenty-one billion, two hundred two million, three hundred three thousand, two hundred twenty".