422112234340 has 24 divisors (see below), whose sum is σ = 903160896120. Its totient is φ = 165659140608.

The previous prime is 422112234331. The next prime is 422112234377. The reversal of 422112234340 is 43432211224.

It can be written as a sum of positive squares in 4 ways, for example, as 200293841764 + 221818392576 = 447542^2 + 470976^2 .

It is a junction number, because it is equal to n+sod(n) for n = 422112234299 and 422112234308.

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, 199108485 + ... + 199110604.

It is an arithmetic number, because the mean of its divisors is an integer number (37631704005).

Almost surely, 2^422112234340 is an apocalyptic number.

It is an amenable number.

422112234340 is an abundant number, since it is smaller than the sum of its proper divisors (481048661780).

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

422112234340 is a wasteful number, since it uses less digits than its factorization.

422112234340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398219151 (or 398219149 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 422112234340 its reverse (43432211224), we get a palindrome (465544445564).

The spelling of 422112234340 in words is "four hundred twenty-two billion, one hundred twelve million, two hundred thirty-four thousand, three hundred forty".