100229448 has 128 divisors (see below), whose sum is σ = 290672640. Its totient is φ = 28512000.

The previous prime is 100229443. The next prime is 100229449. The reversal of 100229448 is 844922001.

It is not an unprimeable number, because it can be changed into a prime (100229443) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 302643 + ... + 302973.

It is an arithmetic number, because the mean of its divisors is an integer number (2270880).

Almost surely, 2^100229448 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 100229448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145336320).

100229448 is an abundant number, since it is smaller than the sum of its proper divisors (190443192).

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

100229448 is a wasteful number, since it uses less digits than its factorization.

100229448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419 (or 415 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 100229448 is about 10011.4658267409. The cubic root of 100229448 is about 464.5136132841.

The spelling of 100229448 in words is "one hundred million, two hundred twenty-nine thousand, four hundred forty-eight".