222320542144 has 56 divisors (see below), whose sum is σ = 465094673568. Its totient is φ = 105230991360.

The previous prime is 222320542123. The next prime is 222320542151. The reversal of 222320542144 is 441245023222.

It is a happy number.

222320542144 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 635737 + ... + 921304.

It is an arithmetic number, because the mean of its divisors is an integer number (8305262028).

Almost surely, 2^222320542144 is an apocalyptic number.

It is an amenable number.

222320542144 is an abundant number, since it is smaller than the sum of its proper divisors (242774131424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222320542144 is a wasteful number, since it uses less digits than its factorization.

222320542144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1557173 (or 1557163 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 222320542144 its reverse (441245023222), we get a palindrome (663565565366).

The spelling of 222320542144 in words is "two hundred twenty-two billion, three hundred twenty million, five hundred forty-two thousand, one hundred forty-four".