422623645392 has 160 divisors (see below), whose sum is σ = 1227383942400. Its totient is φ = 124333203456.

The previous prime is 422623645391. The next prime is 422623645417. The reversal of 422623645392 is 293546326224.

It is a super-2 number, since 2×422623645392² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422623645391) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 48634584 + ... + 48643272.

It is an arithmetic number, because the mean of its divisors is an integer number (7671149640).

Almost surely, 2^422623645392 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 422623645392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (613691971200).

422623645392 is an abundant number, since it is smaller than the sum of its proper divisors (804760297008).

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

422623645392 is a wasteful number, since it uses less digits than its factorization.

422623645392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12125 (or 12119 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 48.

The spelling of 422623645392 in words is "four hundred twenty-two billion, six hundred twenty-three million, six hundred forty-five thousand, three hundred ninety-two".