422168314620 has 192 divisors, whose sum is σ = 1343516590080. Its totient is φ = 98190600192.

The previous prime is 422168314567. The next prime is 422168314621. The reversal of 422168314620 is 26413861224.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422168314621) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5638872 + ... + 5713248.

It is an arithmetic number, because the mean of its divisors is an integer number (6997482240).

Almost surely, 2^422168314620 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 422168314620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (671758295040).

422168314620 is an abundant number, since it is smaller than the sum of its proper divisors (921348275460).

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

422168314620 is a wasteful number, since it uses less digits than its factorization.

422168314620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74804 (or 74802 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 39.

The spelling of 422168314620 in words is "four hundred twenty-two billion, one hundred sixty-eight million, three hundred fourteen thousand, six hundred twenty".