422324322100 has 72 divisors (see below), whose sum is σ = 968432391360. Its totient is φ = 159415787520.

The previous prime is 422324322083. The next prime is 422324322103. The reversal of 422324322100 is 1223423224.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422324322103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55857 + ... + 920743.

It is an arithmetic number, because the mean of its divisors is an integer number (13450449880).

Almost surely, 2^422324322100 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 422324322100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (484216195680).

422324322100 is an abundant number, since it is smaller than the sum of its proper divisors (546108069260).

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

422324322100 is a wasteful number, since it uses less digits than its factorization.

422324322100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865177 (or 865170 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 422324322100 its reverse (1223423224), we get a palindrome (423547745324).

The spelling of 422324322100 in words is "four hundred twenty-two billion, three hundred twenty-four million, three hundred twenty-two thousand, one hundred".