422400332221312 has 64 divisors (see below), whose sum is σ = 857918966295600. Its totient is φ = 207097527250944.

The previous prime is 422400332221271. The next prime is 422400332221313. The reversal of 422400332221312 is 213122233004224.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422400332221313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67445493 + ... + 73441780.

Almost surely, 2^{422400332221312} is an apocalyptic number.

It is an amenable number.

422400332221312 is an abundant number, since it is smaller than the sum of its proper divisors (435518634074288).

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

422400332221312 is a wasteful number, since it uses less digits than its factorization.

422400332221312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140887743 (or 140887731 counting only the distinct ones).

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

Adding to 422400332221312 its reverse (213122233004224), we get a palindrome (635522565225536).

The spelling of 422400332221312 in words is "four hundred twenty-two trillion, four hundred billion, three hundred thirty-two million, two hundred twenty-one thousand, three hundred twelve".