222143432321234 has 8 divisors (see below), whose sum is σ = 333217602085260. Its totient is φ = 111070898292816.

The previous prime is 222143432321233. The next prime is 222143432321287. The reversal of 222143432321234 is 432123234341222.

It can be written as a sum of positive squares in 2 ways, for example, as 177938925390625 + 44204506930609 = 13339375^2 + 6648647^2 .

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

It is not an unprimeable number, because it can be changed into a prime (222143432321231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 408594329 + ... + 409137644.

Almost surely, 2^{222143432321234} is an apocalyptic number.

222143432321234 is a deficient number, since it is larger than the sum of its proper divisors (111074169764026).

222143432321234 is a wasteful number, since it uses less digits than its factorization.

222143432321234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817867804.

The product of its digits is 331776, while the sum is 38.

Adding to 222143432321234 its reverse (432123234341222), we get a palindrome (654266666662456).

The spelling of 222143432321234 in words is "two hundred twenty-two trillion, one hundred forty-three billion, four hundred thirty-two million, three hundred twenty-one thousand, two hundred thirty-four".