22112142432 has 48 divisors (see below), whose sum is σ = 58134807360. Its totient is φ = 7359230592.

The previous prime is 22112142391. The next prime is 22112142439. The reversal of 22112142432 is 23424121122.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22112142439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117382 + ... + 240837.

It is an arithmetic number, because the mean of its divisors is an integer number (1211141820).

Almost surely, 2^22112142432 is an apocalyptic number.

It is an amenable number.

22112142432 is an abundant number, since it is smaller than the sum of its proper divisors (36022664928).

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

22112142432 is a wasteful number, since it uses less digits than its factorization.

22112142432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358875 (or 358867 counting only the distinct ones).

The product of its digits is 1536, while the sum is 24.

Adding to 22112142432 its reverse (23424121122), we get a palindrome (45536263554).

The spelling of 22112142432 in words is "twenty-two billion, one hundred twelve million, one hundred forty-two thousand, four hundred thirty-two".