342222320143 has 4 divisors (see below), whose sum is σ = 373333440168. Its totient is φ = 311111200120.

The previous prime is 342222320093. The next prime is 342222320147. The reversal of 342222320143 is 341023222243.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342222320143 is a prime.

It is a super-2 number, since 2×342222320143² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342222320147) 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, 15555559996 + ... + 15555560017.

It is an arithmetic number, because the mean of its divisors is an integer number (93333360042).

Almost surely, 2^342222320143 is an apocalyptic number.

342222320143 is a deficient number, since it is larger than the sum of its proper divisors (31111120025).

342222320143 is a wasteful number, since it uses less digits than its factorization.

342222320143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31111120024.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 342222320143 its reverse (341023222243), we get a palindrome (683245542386).

The spelling of 342222320143 in words is "three hundred forty-two billion, two hundred twenty-two million, three hundred twenty thousand, one hundred forty-three".