222220112022 has 24 divisors (see below), whose sum is σ = 481495387464. Its totient is φ = 74070527904.

The previous prime is 222220111909. The next prime is 222220112033. The reversal of 222220112022 is 220211022222.

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 = 222220111986 and 222220112004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 275053 + ... + 721175.

It is an arithmetic number, because the mean of its divisors is an integer number (20062307811).

Almost surely, 2^222220112022 is an apocalyptic number.

222220112022 is an abundant number, since it is smaller than the sum of its proper divisors (259275275442).

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

222220112022 is a wasteful number, since it uses less digits than its factorization.

222220112022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473804 (or 473801 counting only the distinct ones).

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

Adding to 222220112022 its reverse (220211022222), we get a palindrome (442431134244).

The spelling of 222220112022 in words is "two hundred twenty-two billion, two hundred twenty million, one hundred twelve thousand, twenty-two".