22134442332 has 12 divisors (see below), whose sum is σ = 51647032136. Its totient is φ = 7378147440.

The previous prime is 22134442271. The next prime is 22134442349. The reversal of 22134442332 is 23324443122.

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

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 22134442332.

It is a congruent number.

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, 922268419 + ... + 922268442.

Almost surely, 2^22134442332 is an apocalyptic number.

It is an amenable number.

22134442332 is an abundant number, since it is smaller than the sum of its proper divisors (29512589804).

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

22134442332 is a wasteful number, since it uses less digits than its factorization.

22134442332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1844536868 (or 1844536866 counting only the distinct ones).

The product of its digits is 27648, while the sum is 30.

Adding to 22134442332 its reverse (23324443122), we get a palindrome (45458885454).

The spelling of 22134442332 in words is "twenty-two billion, one hundred thirty-four million, four hundred forty-two thousand, three hundred thirty-two".