100322432 has 128 divisors (see below), whose sum is σ = 246758400. Its totient is φ = 39674880.

The previous prime is 100322399. The next prime is 100322461. The reversal of 100322432 is 234223001.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 100322432.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1208663 + ... + 1208745.

It is an arithmetic number, because the mean of its divisors is an integer number (1927800).

Almost surely, 2^100322432 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 100322432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123379200).

100322432 is an abundant number, since it is smaller than the sum of its proper divisors (146435968).

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

100322432 is an equidigital number, since it uses as much as digits as its factorization.

100322432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194 (or 182 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 100322432 is about 10016.1086256090. The cubic root of 100322432 is about 464.6572137425.

Adding to 100322432 its reverse (234223001), we get a palindrome (334545433).

The spelling of 100322432 in words is "one hundred million, three hundred twenty-two thousand, four hundred thirty-two".