22143230400042 has 16 divisors (see below), whose sum is σ = 49207178666880. Its totient is φ = 7381076799996.

The previous prime is 22143230400007. The next prime is 22143230400047. The reversal of 22143230400042 is 24000403234122.

22143230400042 is a `hidden beast` number, since 2 + 21 + 4 + 3 + 230 + 400 + 0 + 4 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 22143230399979 and 22143230400015.

It is not an unprimeable number, because it can be changed into a prime (22143230400047) 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, 205029911058 + ... + 205029911165.

It is an arithmetic number, because the mean of its divisors is an integer number (3075448666680).

Almost surely, 2^{22143230400042} is an apocalyptic number.

22143230400042 is an abundant number, since it is smaller than the sum of its proper divisors (27063948266838).

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

22143230400042 is a wasteful number, since it uses less digits than its factorization.

22143230400042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410059822234 (or 410059822228 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 22143230400042 its reverse (24000403234122), we get a palindrome (46143633634164).

The spelling of 22143230400042 in words is "twenty-two trillion, one hundred forty-three billion, two hundred thirty million, four hundred thousand, forty-two".