322342143140442 has 8 divisors (see below), whose sum is σ = 644684286280896. Its totient is φ = 107447381046812.

The previous prime is 322342143140429. The next prime is 322342143140447. The reversal of 322342143140442 is 244041341243223.

It is a sphenic number, since it is the product of 3 distinct primes.

322342143140442 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 322342143140442.

It is not an unprimeable number, because it can be changed into a prime (322342143140447) by changing a digit.

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, 26861845261698 + ... + 26861845261709.

It is an arithmetic number, because the mean of its divisors is an integer number (80585535785112).

Almost surely, 2^{322342143140442} is an apocalyptic number.

322342143140442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

322342143140442 is a wasteful number, since it uses less digits than its factorization.

322342143140442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53723690523412.

The product of its (nonzero) digits is 442368, while the sum is 39.

Adding to 322342143140442 its reverse (244041341243223), we get a palindrome (566383484383665).

The spelling of 322342143140442 in words is "three hundred twenty-two trillion, three hundred forty-two billion, one hundred forty-three million, one hundred forty thousand, four hundred forty-two".