242222144421343 has 4 divisors (see below), whose sum is σ = 250574632160040. Its totient is φ = 233869656682648.

The previous prime is 242222144421337. The next prime is 242222144421371. The reversal of 242222144421343 is 343124441222242.

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-242222144421343 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242222144421296 and 242222144421305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242222144421373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4176243869305 + ... + 4176243869362.

It is an arithmetic number, because the mean of its divisors is an integer number (62643658040010).

Almost surely, 2^{242222144421343} is an apocalyptic number.

242222144421343 is a deficient number, since it is larger than the sum of its proper divisors (8352487738697).

242222144421343 is an equidigital number, since it uses as much as digits as its factorization.

242222144421343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8352487738696.

The product of its digits is 589824, while the sum is 40.

Adding to 242222144421343 its reverse (343124441222242), we get a palindrome (585346585643585).

The spelling of 242222144421343 in words is "two hundred forty-two trillion, two hundred twenty-two billion, one hundred forty-four million, four hundred twenty-one thousand, three hundred forty-three".