21422010343432 has 64 divisors (see below), whose sum is σ = 42991963827120. Its totient is φ = 9971796000768.

The previous prime is 21422010343339. The next prime is 21422010343441. The reversal of 21422010343432 is 23434301022412.

It can be written as a sum of positive squares in 8 ways, for example, as 19598630037156 + 1823380306276 = 4427034^2 + 1350326^2 .

It is a junction number, because it is equal to n+sod(n) for n = 21422010343394 and 21422010343403.

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, 2324128 + ... + 6945904.

Almost surely, 2^{21422010343432} is an apocalyptic number.

It is an amenable number.

21422010343432 is an abundant number, since it is smaller than the sum of its proper divisors (21569953483688).

21422010343432 is a wasteful number, since it uses less digits than its factorization.

21422010343432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4622170 (or 4622166 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 21422010343432 its reverse (23434301022412), we get a palindrome (44856311365844).

The spelling of 21422010343432 in words is "twenty-one trillion, four hundred twenty-two billion, ten million, three hundred forty-three thousand, four hundred thirty-two".