21422022412 has 24 divisors (see below), whose sum is σ = 44321427360. Its totient is φ = 8864284800.

The previous prime is 21422022379. The next prime is 21422022443.

21422022412 is nontrivially palindromic in base 10.

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 7 ways as a sum of consecutive naturals, for example, 13190089 + ... + 13191712.

It is an arithmetic number, because the mean of its divisors is an integer number (1846726140).

Almost surely, 2^21422022412 is an apocalyptic number.

It is an amenable number.

21422022412 is an abundant number, since it is smaller than the sum of its proper divisors (22899404948).

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

21422022412 is a wasteful number, since it uses less digits than its factorization.

21422022412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26381841 (or 26381839 counting only the distinct ones).

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

It can be divided in two parts, 214220 and 22412, that added together give a palindrome (236632).

The spelling of 21422022412 in words is "twenty-one billion, four hundred twenty-two million, twenty-two thousand, four hundred twelve".