222001042342 has 4 divisors (see below), whose sum is σ = 333001563516. Its totient is φ = 111000521170.

The previous prime is 222001042321. The next prime is 222001042349. The reversal of 222001042342 is 243240100222.

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

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222001042349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55500260584 + ... + 55500260587.

It is an arithmetic number, because the mean of its divisors is an integer number (83250390879).

Almost surely, 2^222001042342 is an apocalyptic number.

222001042342 is a deficient number, since it is larger than the sum of its proper divisors (111000521174).

222001042342 is a wasteful number, since it uses less digits than its factorization.

222001042342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111000521173.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 222001042342 its reverse (243240100222), we get a palindrome (465241142564).

The spelling of 222001042342 in words is "two hundred twenty-two billion, one million, forty-two thousand, three hundred forty-two".