422427122432 has 72 divisors (see below), whose sum is σ = 964836155136. Its totient is φ = 180819588096.

The previous prime is 422427122419. The next prime is 422427122443. The reversal of 422427122432 is 234221724224.

It is a junction number, because it is equal to n+sod(n) for n = 422427122392 and 422427122401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1331603 + ... + 1618029.

Almost surely, 2^422427122432 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 422427122432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (482418077568).

422427122432 is an abundant number, since it is smaller than the sum of its proper divisors (542409032704).

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

422427122432 is an equidigital number, since it uses as much as digits as its factorization.

422427122432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287273 (or 287259 counting only the distinct ones).

The product of its digits is 86016, while the sum is 35.

Adding to 422427122432 its reverse (234221724224), we get a palindrome (656648846656).

The spelling of 422427122432 in words is "four hundred twenty-two billion, four hundred twenty-seven million, one hundred twenty-two thousand, four hundred thirty-two".