22142230432 has 24 divisors (see below), whose sum is σ = 49820018976. Its totient is φ = 9489527232.

The previous prime is 22142230427. The next prime is 22142230459. The reversal of 22142230432 is 23403224122.

It is a junction number, because it is equal to n+sod(n) for n = 22142230397 and 22142230406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49424398 + ... + 49424845.

It is an arithmetic number, because the mean of its divisors is an integer number (2075834124).

Almost surely, 2^22142230432 is an apocalyptic number.

It is an amenable number.

22142230432 is an abundant number, since it is smaller than the sum of its proper divisors (27677788544).

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

22142230432 is an equidigital number, since it uses as much as digits as its factorization.

22142230432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98849260 (or 98849252 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 22142230432 its reverse (23403224122), we get a palindrome (45545454554).

The spelling of 22142230432 in words is "twenty-two billion, one hundred forty-two million, two hundred thirty thousand, four hundred thirty-two".