22012203422 has 16 divisors (see below), whose sum is σ = 36023270400. Its totient is φ = 10004630040.

The previous prime is 22012203377. The next prime is 22012203427. The reversal of 22012203422 is 22430221022.

It is a junction number, because it is equal to n+sod(n) for n = 22012203394 and 22012203403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012203427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238979 + ... + 318017.

It is an arithmetic number, because the mean of its divisors is an integer number (2251454400).

Almost surely, 2^22012203422 is an apocalyptic number.

22012203422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22012203422 is a deficient number, since it is larger than the sum of its proper divisors (14011066978).

22012203422 is a wasteful number, since it uses less digits than its factorization.

22012203422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91711.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 22012203422 its reverse (22430221022), we get a palindrome (44442424444).

The spelling of 22012203422 in words is "twenty-two billion, twelve million, two hundred three thousand, four hundred twenty-two".