222312001122 has 48 divisors (see below), whose sum is σ = 512047523520. Its totient is φ = 69508692000.

The previous prime is 222312001111. The next prime is 222312001147. The reversal of 222312001122 is 221100213222.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 222312001095 and 222312001104.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3183454 + ... + 3252537.

It is an arithmetic number, because the mean of its divisors is an integer number (10667656740).

Almost surely, 2^222312001122 is an apocalyptic number.

222312001122 is an abundant number, since it is smaller than the sum of its proper divisors (289735522398).

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

222312001122 is a wasteful number, since it uses less digits than its factorization.

222312001122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6436119 (or 6436116 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 222312001122 its reverse (221100213222), we get a palindrome (443412214344).

The spelling of 222312001122 in words is "two hundred twenty-two billion, three hundred twelve million, one thousand, one hundred twenty-two".