220022212121922 has 48 divisors (see below), whose sum is σ = 512288638248960. Its totient is φ = 62814338570592.

The previous prime is 220022212121903. The next prime is 220022212121923. The reversal of 220022212121922 is 229121212220022.

220022212121922 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 220022212121922.

It is not an unprimeable number, because it can be changed into a prime (220022212121923) 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, 292186473 + ... + 292938524.

It is an arithmetic number, because the mean of its divisors is an integer number (10672679963520).

Almost surely, 2^{220022212121922} is an apocalyptic number.

220022212121922 is an abundant number, since it is smaller than the sum of its proper divisors (292266426127038).

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

220022212121922 is a wasteful number, since it uses less digits than its factorization.

220022212121922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585126295 (or 585126288 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

Adding to 220022212121922 its reverse (229121212220022), we get a palindrome (449143424341944).

The spelling of 220022212121922 in words is "two hundred twenty trillion, twenty-two billion, two hundred twelve million, one hundred twenty-one thousand, nine hundred twenty-two".