32221021332 has 48 divisors (see below), whose sum is σ = 83794616640. Its totient is φ = 9576525312.

The previous prime is 32221021331. The next prime is 32221021337. The reversal of 32221021332 is 23312012223.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 32221021299 and 32221021308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32221021331) 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 15 ways as a sum of consecutive naturals, for example, 4152603 + ... + 4160354.

It is an arithmetic number, because the mean of its divisors is an integer number (1745721180).

Almost surely, 2^32221021332 is an apocalyptic number.

It is an amenable number.

32221021332 is an abundant number, since it is smaller than the sum of its proper divisors (51573595308).

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

32221021332 is a wasteful number, since it uses less digits than its factorization.

32221021332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8313000 (or 8312998 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 32221021332 its reverse (23312012223), we get a palindrome (55533033555).

The spelling of 32221021332 in words is "thirty-two billion, two hundred twenty-one million, twenty-one thousand, three hundred thirty-two".