22120122022222 has 48 divisors (see below), whose sum is σ = 43018724762640. Its totient is φ = 8452802034432.

The previous prime is 22120122022153. The next prime is 22120122022303. The reversal of 22120122022222 is 22222022102122.

It is a junction number, because it is equal to n+sod(n) for n = 22120122022193 and 22120122022202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 349373193 + ... + 349436500.

It is an arithmetic number, because the mean of its divisors is an integer number (896223432555).

Almost surely, 2^{22120122022222} is an apocalyptic number.

22120122022222 is a deficient number, since it is larger than the sum of its proper divisors (20898602740418).

22120122022222 is a wasteful number, since it uses less digits than its factorization.

22120122022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698809745 (or 698809738 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 22120122022222 its reverse (22222022102122), we get a palindrome (44342144124344).

The spelling of 22120122022222 in words is "twenty-two trillion, one hundred twenty billion, one hundred twenty-two million, twenty-two thousand, two hundred twenty-two".