22022222020422 has 48 divisors (see below), whose sum is σ = 47878673026320. Its totient is φ = 6749702209536.

The previous prime is 22022222020399. The next prime is 22022222020433. The reversal of 22022222020422 is 22402022222022.

It is a junction number, because it is equal to n+sod(n) for n = 22022222020392 and 22022222020401.

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, 41992647 + ... + 42513842.

It is an arithmetic number, because the mean of its divisors is an integer number (997472354715).

Almost surely, 2^{22022222020422} is an apocalyptic number.

22022222020422 is an abundant number, since it is smaller than the sum of its proper divisors (25856451005898).

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

22022222020422 is a wasteful number, since it uses less digits than its factorization.

22022222020422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84506777 (or 84506764 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 22022222020422 its reverse (22402022222022), we get a palindrome (44424244242444).

The spelling of 22022222020422 in words is "twenty-two trillion, twenty-two billion, two hundred twenty-two million, twenty thousand, four hundred twenty-two".