422332431424 has 56 divisors (see below), whose sum is σ = 852798924320. Its totient is φ = 207485300736.

The previous prime is 422332431419. The next prime is 422332431449. The reversal of 422332431424 is 424134233224.

It is a self number, because there is not a number n which added to its sum of digits gives 422332431424.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 618199 + ... + 1107625.

It is an arithmetic number, because the mean of its divisors is an integer number (15228552220).

Almost surely, 2^422332431424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422332431424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (426399462160).

422332431424 is an abundant number, since it is smaller than the sum of its proper divisors (430466492896).

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

422332431424 is a wasteful number, since it uses less digits than its factorization.

422332431424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489675 (or 489665 counting only the distinct ones).

The product of its digits is 110592, while the sum is 34.

Adding to 422332431424 its reverse (424134233224), we get a palindrome (846466664648).

The spelling of 422332431424 in words is "four hundred twenty-two billion, three hundred thirty-two million, four hundred thirty-one thousand, four hundred twenty-four".