22134242432 has 64 divisors (see below), whose sum is σ = 47496055200. Its totient is φ = 10240763904.

The previous prime is 22134242419. The next prime is 22134242443. The reversal of 22134242432 is 23424243122.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 22134242395 and 22134242404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1253 + ... + 210404.

Almost surely, 2^22134242432 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 22134242432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23748027600).

22134242432 is an abundant number, since it is smaller than the sum of its proper divisors (25361812768).

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

22134242432 is a wasteful number, since it uses less digits than its factorization.

22134242432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211733 (or 211721 counting only the distinct ones).

The product of its digits is 18432, while the sum is 29.

Adding to 22134242432 its reverse (23424243122), we get a palindrome (45558485554).

The spelling of 22134242432 in words is "twenty-two billion, one hundred thirty-four million, two hundred forty-two thousand, four hundred thirty-two".