422404203632 has 80 divisors (see below), whose sum is σ = 893567433024. Its totient is φ = 192645120000.

The previous prime is 422404203631. The next prime is 422404203677. The reversal of 422404203632 is 236302404224.

It is a super-2 number, since 2×422404203632² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422404203631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1558532 + ... + 1809372.

Almost surely, 2^422404203632 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 422404203632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (446783716512).

422404203632 is an abundant number, since it is smaller than the sum of its proper divisors (471163229392).

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

422404203632 is a wasteful number, since it uses less digits than its factorization.

422404203632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251058 (or 251052 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 422404203632 its reverse (236302404224), we get a palindrome (658706607856).

The spelling of 422404203632 in words is "four hundred twenty-two billion, four hundred four million, two hundred three thousand, six hundred thirty-two".