22343143541442 has 16 divisors (see below), whose sum is σ = 44689561207200. Its totient is φ = 7447168826432.

The previous prime is 22343143541429. The next prime is 22343143541449. The reversal of 22343143541442 is 24414534134322.

It is a junction number, because it is equal to n+sod(n) for n = 22343143541394 and 22343143541403.

It is not an unprimeable number, because it can be changed into a prime (22343143541449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136333128 + ... + 136496915.

It is an arithmetic number, because the mean of its divisors is an integer number (2793097575450).

Almost surely, 2^{22343143541442} is an apocalyptic number.

22343143541442 is an abundant number, since it is smaller than the sum of its proper divisors (22346417665758).

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

22343143541442 is a wasteful number, since it uses less digits than its factorization.

22343143541442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272843697.

The product of its digits is 1105920, while the sum is 42.

Adding to 22343143541442 its reverse (24414534134322), we get a palindrome (46757677675764).

The spelling of 22343143541442 in words is "twenty-two trillion, three hundred forty-three billion, one hundred forty-three million, five hundred forty-one thousand, four hundred forty-two".