3223221012 has 336 divisors, whose sum is σ = 10232998272. Its totient is φ = 875888640.

The previous prime is 3223220977. The next prime is 3223221017. The reversal of 3223221012 is 2101223223.

3223221012 is a `hidden beast` number, since 322 + 322 + 10 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3223221017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 12541588 + ... + 12541844.

It is an arithmetic number, because the mean of its divisors is an integer number (30455352).

Almost surely, 2^3223221012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3223221012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5116499136).

3223221012 is an abundant number, since it is smaller than the sum of its proper divisors (7009777260).

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

3223221012 is a wasteful number, since it uses less digits than its factorization.

3223221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330 (or 313 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 3223221012 is about 56773.4181813989. The cubic root of 3223221012 is about 1477.1684679625.

Adding to 3223221012 its reverse (2101223223), we get a palindrome (5324444235).

The spelling of 3223221012 in words is "three billion, two hundred twenty-three million, two hundred twenty-one thousand, twelve".