22032131200 has 48 divisors (see below), whose sum is σ = 54426257010. Its totient is φ = 8812851200.

The previous prime is 22032131171. The next prime is 22032131237. The reversal of 22032131200 is 213123022.

It can be written as a sum of positive squares in 3 ways, for example, as 17409219136 + 4622912064 = 131944^2 + 67992^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 3439321 + ... + 3445720.

Almost surely, 2^22032131200 is an apocalyptic number.

22032131200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22032131200 is an abundant number, since it is smaller than the sum of its proper divisors (32394125810).

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

22032131200 is an equidigital number, since it uses as much as digits as its factorization.

22032131200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6885065 (or 6885048 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 22032131200 its reverse (213123022), we get a palindrome (22245254222).

The spelling of 22032131200 in words is "twenty-two billion, thirty-two million, one hundred thirty-one thousand, two hundred".