99223128448 has 32 divisors (see below), whose sum is σ = 197745327360. Its totient is φ = 49592928768.

The previous prime is 99223128439. The next prime is 99223128497. The reversal of 99223128448 is 84482132299.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-3 number, since 3×99223128448³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 99223128395 and 99223128404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199690 + ... + 488182.

It is an arithmetic number, because the mean of its divisors is an integer number (6179541480).

Almost surely, 2^99223128448 is an apocalyptic number.

It is an amenable number.

99223128448 is a deficient number, since it is larger than the sum of its proper divisors (98522198912).

99223128448 is a wasteful number, since it uses less digits than its factorization.

99223128448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291194 (or 291182 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 52.

The spelling of 99223128448 in words is "ninety-nine billion, two hundred twenty-three million, one hundred twenty-eight thousand, four hundred forty-eight".