222443321123 has 8 divisors (see below), whose sum is σ = 237645654720. Its totient is φ = 207590466600.

The previous prime is 222443321119. The next prime is 222443321129. The reversal of 222443321123 is 321123344222.

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

It is a cyclic number.

It is not a de Polignac number, because 222443321123 - 2² = 222443321119 is a prime.

It is a super-2 number, since 2×222443321123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222443321129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87368453 + ... + 87370998.

It is an arithmetic number, because the mean of its divisors is an integer number (29705706840).

Almost surely, 2^222443321123 is an apocalyptic number.

222443321123 is a deficient number, since it is larger than the sum of its proper divisors (15202333597).

222443321123 is a wasteful number, since it uses less digits than its factorization.

222443321123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174739537.

The product of its digits is 13824, while the sum is 29.

Adding to 222443321123 its reverse (321123344222), we get a palindrome (543566665345).

The spelling of 222443321123 in words is "two hundred twenty-two billion, four hundred forty-three million, three hundred twenty-one thousand, one hundred twenty-three".