9001448228 has 12 divisors (see below), whose sum is σ = 15778490112.
Its totient is φ = 4493308200.
The previous prime is 9001448177. The next prime is 9001448233. The reversal of 9001448228 is 8228441009.
It is a junction number, because it is equal to n+sod(n) for n = 9001448191 and 9001448200.
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 3 ways as a sum of consecutive naturals, for example, 1851248 + ... + 1856103.
It is an arithmetic number, because the mean of its divisors is an integer number (1314874176).
Almost surely, 29001448228 is an apocalyptic number.
It is an amenable number.
9001448228 is a deficient number, since it is larger than the sum of its proper divisors (6777041884).
9001448228 is a wasteful number, since it uses less digits than its factorization.
9001448228 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3707962 (or 3707960 counting only the distinct ones).
The product of its (nonzero) digits is 36864, while the sum is 38.
The square root of 9001448228 is about 94875.9623297703.
The cubic root of 9001448228 is about 2080.1953887581.
The spelling of 9001448228 in words is "nine billion, one million, four hundred forty-eight thousand, two hundred twenty-eight".