122222120022 has 20 divisors (see below), whose sum is σ = 273868084116. Its totient is φ = 40740706620.

The previous prime is 122222119993. The next prime is 122222120047. The reversal of 122222120022 is 220021222221.

122222120022 is a `hidden beast` number, since 1 + 222 + 221 + 200 + 22 = 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 = 122222119977 and 122222120004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 377228604 + ... + 377228927.

Almost surely, 2^122222120022 is an apocalyptic number.

122222120022 is an abundant number, since it is smaller than the sum of its proper divisors (151645964094).

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

122222120022 is an equidigital number, since it uses as much as digits as its factorization.

122222120022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754457545 (or 754457536 counting only the distinct ones).

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

Adding to 122222120022 its reverse (220021222221), we get a palindrome (342243342243).

The spelling of 122222120022 in words is "one hundred twenty-two billion, two hundred twenty-two million, one hundred twenty thousand, twenty-two".