22001133232 has 20 divisors (see below), whose sum is σ = 45906211120. Its totient is φ = 10154369088.

The previous prime is 22001133227. The next prime is 22001133281. The reversal of 22001133232 is 23233110022.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52887132 + ... + 52887547.

It is an arithmetic number, because the mean of its divisors is an integer number (2295310556).

Almost surely, 2^22001133232 is an apocalyptic number.

It is an amenable number.

22001133232 is an abundant number, since it is smaller than the sum of its proper divisors (23905077888).

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

22001133232 is a wasteful number, since it uses less digits than its factorization.

22001133232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105774700 (or 105774694 counting only the distinct ones).

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

Adding to 22001133232 its reverse (23233110022), we get a palindrome (45234243254).

The spelling of 22001133232 in words is "twenty-two billion, one million, one hundred thirty-three thousand, two hundred thirty-two".