32221222012 has 24 divisors (see below), whose sum is σ = 65044715904. Its totient is φ = 13680036912.

The previous prime is 32221222003. The next prime is 32221222049. The reversal of 32221222012 is 21022212223.

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, 5374378 + ... + 5380369.

It is an arithmetic number, because the mean of its divisors is an integer number (2710196496).

Almost surely, 2^32221222012 is an apocalyptic number.

It is an amenable number.

32221222012 is an abundant number, since it is smaller than the sum of its proper divisors (32823493892).

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

32221222012 is a wasteful number, since it uses less digits than its factorization.

32221222012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10754865 (or 10754863 counting only the distinct ones).

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

Adding to 32221222012 its reverse (21022212223), we get a palindrome (53243434235).

The spelling of 32221222012 in words is "thirty-two billion, two hundred twenty-one million, two hundred twenty-two thousand, twelve".