22220222122122 has 32 divisors (see below), whose sum is σ = 44707825843200. Its totient is φ = 7362212498928.

The previous prime is 22220222122039. The next prime is 22220222122157. The reversal of 22220222122122 is 22122122202222.

It is a junction number, because it is equal to n+sod(n) for n = 22220222122092 and 22220222122101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1910578 + ... + 6934749.

It is an arithmetic number, because the mean of its divisors is an integer number (1397119557600).

Almost surely, 2^{22220222122122} is an apocalyptic number.

22220222122122 is an abundant number, since it is smaller than the sum of its proper divisors (22487603721078).

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

22220222122122 is a wasteful number, since it uses less digits than its factorization.

22220222122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8847850.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 22220222122122 its reverse (22122122202222), we get a palindrome (44342344324344).

The spelling of 22220222122122 in words is "twenty-two trillion, two hundred twenty billion, two hundred twenty-two million, one hundred twenty-two thousand, one hundred twenty-two".