422324344020 has 96 divisors (see below), whose sum is σ = 1220827539456. Its totient is φ = 109002240000.

The previous prime is 422324344009. The next prime is 422324344081. The reversal of 422324344020 is 20443423224.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73981 + ... + 922020.

It is an arithmetic number, because the mean of its divisors is an integer number (12716953536).

Almost surely, 2^422324344020 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 422324344020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (610413769728).

422324344020 is an abundant number, since it is smaller than the sum of its proper divisors (798503195436).

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

422324344020 is a wasteful number, since it uses less digits than its factorization.

422324344020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996241 (or 996239 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 30.

Adding to 422324344020 its reverse (20443423224), we get a palindrome (442767767244).

The spelling of 422324344020 in words is "four hundred twenty-two billion, three hundred twenty-four million, three hundred forty-four thousand, twenty".