32332212220 has 192 divisors, whose sum is σ = 90792576000. Its totient is φ = 9366589440.

The previous prime is 32332212179. The next prime is 32332212233. The reversal of 32332212220 is 2221223323.

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 = 32332212191 and 32332212200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1540356 + ... + 1561204.

It is an arithmetic number, because the mean of its divisors is an integer number (472878000).

Almost surely, 2^32332212220 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 32332212220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45396288000).

32332212220 is an abundant number, since it is smaller than the sum of its proper divisors (58460363780).

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

32332212220 is a wasteful number, since it uses less digits than its factorization.

32332212220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20948 (or 20946 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 32332212220 its reverse (2221223323), we get a palindrome (34553435543).

The spelling of 32332212220 in words is "thirty-two billion, three hundred thirty-two million, two hundred twelve thousand, two hundred twenty".