32224412220 has 768 divisors, whose sum is σ = 131893235712. Its totient is φ = 5653463040.

The previous prime is 32224412219. The next prime is 32224412251. The reversal of 32224412220 is 2221442223.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 37777314 + ... + 37778166.

It is an arithmetic number, because the mean of its divisors is an integer number (171735984).

Almost surely, 2^32224412220 is an apocalyptic number.

32224412220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32224412220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65946617856).

32224412220 is an abundant number, since it is smaller than the sum of its proper divisors (99668823492).

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

32224412220 is a wasteful number, since it uses less digits than its factorization.

32224412220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 950 (or 948 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 32224412220 its reverse (2221442223), we get a palindrome (34445854443).

It can be divided in two parts, 32224 and 412220, that added together give a palindrome (444444).

The spelling of 32224412220 in words is "thirty-two billion, two hundred twenty-four million, four hundred twelve thousand, two hundred twenty".