22142130355432 has 32 divisors (see below), whose sum is σ = 42088304884680. Its totient is φ = 10918604666880.

The previous prime is 22142130355427. The next prime is 22142130355439. The reversal of 22142130355432 is 23455303124122.

It can be written as a sum of positive squares in 4 ways, for example, as 22094643844036 + 47486511396 = 4700494^2 + 217914^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22142130355391 and 22142130355400.

It is not an unprimeable number, because it can be changed into a prime (22142130355439) 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, 6604038 + ... + 9375370.

Almost surely, 2^{22142130355432} is an apocalyptic number.

It is an amenable number.

22142130355432 is a deficient number, since it is larger than the sum of its proper divisors (19946174529248).

22142130355432 is a wasteful number, since it uses less digits than its factorization.

22142130355432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2785093 (or 2785089 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 22142130355432 its reverse (23455303124122), we get a palindrome (45597433479554).

The spelling of 22142130355432 in words is "twenty-two trillion, one hundred forty-two billion, one hundred thirty million, three hundred fifty-five thousand, four hundred thirty-two".