22142042432 has 28 divisors (see below), whose sum is σ = 44348765760. Its totient is φ = 10967550336.

The previous prime is 22142042383. The next prime is 22142042437. The reversal of 22142042432 is 23424024122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22142042437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1609832 + ... + 1623527.

Almost surely, 2^22142042432 is an apocalyptic number.

It is an amenable number.

22142042432 is an abundant number, since it is smaller than the sum of its proper divisors (22206723328).

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

22142042432 is a wasteful number, since it uses less digits than its factorization.

22142042432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3233478 (or 3233468 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 22142042432 its reverse (23424024122), we get a palindrome (45566066554).

The spelling of 22142042432 in words is "twenty-two billion, one hundred forty-two million, forty-two thousand, four hundred thirty-two".