22112120422 has 32 divisors (see below), whose sum is σ = 40193202240. Its totient is φ = 8906526720.

The previous prime is 22112120411. The next prime is 22112120431. The reversal of 22112120422 is 22402121122.

It is a self number, because there is not a number n which added to its sum of digits gives 22112120422.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103222 + ... + 234262.

It is an arithmetic number, because the mean of its divisors is an integer number (1256037570).

Almost surely, 2^22112120422 is an apocalyptic number.

22112120422 is a deficient number, since it is larger than the sum of its proper divisors (18081081818).

22112120422 is a wasteful number, since it uses less digits than its factorization.

22112120422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131776.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22112120422 its reverse (22402121122), we get a palindrome (44514241544).

The spelling of 22112120422 in words is "twenty-two billion, one hundred twelve million, one hundred twenty thousand, four hundred twenty-two".