202222112022 has 72 divisors (see below), whose sum is σ = 510410901312. Its totient is φ = 57695148000.

The previous prime is 202222112017. The next prime is 202222112111. The reversal of 202222112022 is 220211222202.

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 = 202222111986 and 202222112004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 454747 + ... + 781817.

It is an arithmetic number, because the mean of its divisors is an integer number (7089040296).

Almost surely, 2^202222112022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202222112022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255205450656).

202222112022 is an abundant number, since it is smaller than the sum of its proper divisors (308188789290).

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

202222112022 is a wasteful number, since it uses less digits than its factorization.

202222112022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327794 (or 327784 counting only the distinct ones).

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

Adding to 202222112022 its reverse (220211222202), we get a palindrome (422433334224).

The spelling of 202222112022 in words is "two hundred two billion, two hundred twenty-two million, one hundred twelve thousand, twenty-two".