32221221222222 has 64 divisors (see below), whose sum is σ = 75450869510400. Its totient is φ = 10164377599200.

The previous prime is 32221221222217. The next prime is 32221221222299. The reversal of 32221221222222 is 22222212212223.

32221221222222 is a `hidden beast` number, since 3 + 2 + 2 + 212 + 2 + 1 + 222 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15609529 + ... + 17552772.

It is an arithmetic number, because the mean of its divisors is an integer number (1178919836100).

Almost surely, 2^{32221221222222} is an apocalyptic number.

32221221222222 is an abundant number, since it is smaller than the sum of its proper divisors (43229648288178).

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

32221221222222 is a wasteful number, since it uses less digits than its factorization.

32221221222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33163278 (or 33163272 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

Adding to 32221221222222 its reverse (22222212212223), we get a palindrome (54443433434445).

Subtracting from 32221221222222 its reverse (22222212212223), we obtain a palindrome (9999009009999).

The spelling of 32221221222222 in words is "thirty-two trillion, two hundred twenty-one billion, two hundred twenty-one million, two hundred twenty-two thousand, two hundred twenty-two".