22033212132 has 12 divisors (see below), whose sum is σ = 51410828336. Its totient is φ = 7344404040.

The previous prime is 22033212119. The next prime is 22033212217. The reversal of 22033212132 is 23121233022.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 22033212099 and 22033212108.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 918050494 + ... + 918050517.

Almost surely, 2^22033212132 is an apocalyptic number.

It is an amenable number.

22033212132 is an abundant number, since it is smaller than the sum of its proper divisors (29377616204).

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

22033212132 is a wasteful number, since it uses less digits than its factorization.

22033212132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1836101018 (or 1836101016 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 22033212132 its reverse (23121233022), we get a palindrome (45154445154).

The spelling of 22033212132 in words is "twenty-two billion, thirty-three million, two hundred twelve thousand, one hundred thirty-two".