1322143343442 has 24 divisors (see below), whose sum is σ = 2883869714700. Its totient is φ = 437756631840.

The previous prime is 1322143343441. The next prime is 1322143343473. The reversal of 1322143343442 is 2443433412231.

1322143343442 is a `hidden beast` number, since 1 + 3 + 2 + 214 + 3 + 3 + 434 + 4 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1297049932161 + 25093411281 = 1138881^2 + 158409^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1322143343397 and 1322143343406.

It is not an unprimeable number, because it can be changed into a prime (1322143343441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 246481909 + ... + 246487272.

Almost surely, 2^{1322143343442} is an apocalyptic number.

1322143343442 is an abundant number, since it is smaller than the sum of its proper divisors (1561726371258).

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

1322143343442 is a wasteful number, since it uses less digits than its factorization.

1322143343442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492969338 (or 492969335 counting only the distinct ones).

The product of its digits is 165888, while the sum is 36.

Adding to 1322143343442 its reverse (2443433412231), we get a palindrome (3765576755673).

The spelling of 1322143343442 in words is "one trillion, three hundred twenty-two billion, one hundred forty-three million, three hundred forty-three thousand, four hundred forty-two".