222112002222 has 36 divisors (see below), whose sum is σ = 528969222600. Its totient is φ = 67306666680.

The previous prime is 222112002221. The next prime is 222112002241. The reversal of 222112002222 is 222200211222.

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 = 222112002195 and 222112002204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222112002221) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 50987722 + ... + 50992077.

Almost surely, 2^222112002222 is an apocalyptic number.

222112002222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

222112002222 is an abundant number, since it is smaller than the sum of its proper divisors (306857220378).

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

222112002222 is a wasteful number, since it uses less digits than its factorization.

222112002222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101979829 (or 101979815 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 222112002222 its reverse (222200211222), we get a palindrome (444312213444).

The spelling of 222112002222 in words is "two hundred twenty-two billion, one hundred twelve million, two thousand, two hundred twenty-two".