22021310332 has 96 divisors (see below), whose sum is σ = 47551795200. Its totient is φ = 8708441088.

The previous prime is 22021310293. The next prime is 22021310351. The reversal of 22021310332 is 23301312022.

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, 13451418 + ... + 13453054.

It is an arithmetic number, because the mean of its divisors is an integer number (495331200).

Almost surely, 2^22021310332 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 22021310332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23775897600).

22021310332 is an abundant number, since it is smaller than the sum of its proper divisors (25530484868).

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

22021310332 is a wasteful number, since it uses less digits than its factorization.

22021310332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2203 (or 2201 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 22021310332 its reverse (23301312022), we get a palindrome (45322622354).

The spelling of 22021310332 in words is "twenty-two billion, twenty-one million, three hundred ten thousand, three hundred thirty-two".