222555101312 has 32 divisors (see below), whose sum is σ = 446195553420. Its totient is φ = 110568766464.

The previous prime is 222555101311. The next prime is 222555101341. The reversal of 222555101312 is 213101555222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 208644314176 + 13910787136 = 456776^2 + 117944^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (222555101311) 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, 5517203 + ... + 5557394.

Almost surely, 2^222555101312 is an apocalyptic number.

It is an amenable number.

222555101312 is an abundant number, since it is smaller than the sum of its proper divisors (223640452108).

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

222555101312 is a wasteful number, since it uses less digits than its factorization.

222555101312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11074768 (or 11074756 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 222555101312 its reverse (213101555222), we get a palindrome (435656656534).

The spelling of 222555101312 in words is "two hundred twenty-two billion, five hundred fifty-five million, one hundred one thousand, three hundred twelve".