222312123222 has 32 divisors (see below), whose sum is σ = 508718859264. Its totient is φ = 63445641600.

The previous prime is 222312123119. The next prime is 222312123233. The reversal of 222312123222 is 222321213222.

It is a super-2 number, since 2×222312123222² (a number of 23 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 222312123192 and 222312123201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2967054 + ... + 3041057.

It is an arithmetic number, because the mean of its divisors is an integer number (15897464352).

Almost surely, 2^222312123222 is an apocalyptic number.

222312123222 is an abundant number, since it is smaller than the sum of its proper divisors (286406736042).

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

222312123222 is a wasteful number, since it uses less digits than its factorization.

222312123222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6009004.

The product of its digits is 2304, while the sum is 24.

Adding to 222312123222 its reverse (222321213222), we get a palindrome (444633336444).

The spelling of 222312123222 in words is "two hundred twenty-two billion, three hundred twelve million, one hundred twenty-three thousand, two hundred twenty-two".