3223221012220 has 24 divisors (see below), whose sum is σ = 7384106319408. Its totient is φ = 1172080368000.

The previous prime is 3223221012169. The next prime is 3223221012233. The reversal of 3223221012220 is 222101223223.

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 = 3223221012191 and 3223221012200.

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, 7325502081 + ... + 7325502520.

It is an arithmetic number, because the mean of its divisors is an integer number (307671096642).

Almost surely, 2^{3223221012220} is an apocalyptic number.

It is an amenable number.

3223221012220 is an abundant number, since it is smaller than the sum of its proper divisors (4160885307188).

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

3223221012220 is a wasteful number, since it uses less digits than its factorization.

3223221012220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14651004621 (or 14651004619 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 3223221012220 its reverse (222101223223), we get a palindrome (3445322235443).

The spelling of 3223221012220 in words is "three trillion, two hundred twenty-three billion, two hundred twenty-one million, twelve thousand, two hundred twenty".