222110220222 has 48 divisors (see below), whose sum is σ = 525496493808. Its totient is φ = 67240909440.

The previous prime is 222110220217. The next prime is 222110220223. The reversal of 222110220222 is 222022011222.

222110220222 is a `hidden beast` number, since 2 + 221 + 1 + 0 + 220 + 222 = 666.

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 = 222110220195 and 222110220204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222110220223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 338433 + ... + 747500.

It is an arithmetic number, because the mean of its divisors is an integer number (10947843621).

Almost surely, 2^222110220222 is an apocalyptic number.

222110220222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

222110220222 is an abundant number, since it is smaller than the sum of its proper divisors (303386273586).

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

222110220222 is a wasteful number, since it uses less digits than its factorization.

222110220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086985 (or 1086982 counting only the distinct ones).

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

Adding to 222110220222 its reverse (222022011222), we get a palindrome (444132231444).

The spelling of 222110220222 in words is "two hundred twenty-two billion, one hundred ten million, two hundred twenty thousand, two hundred twenty-two".