224997968128 has 36 divisors (see below), whose sum is σ = 449183005488. Its totient is φ = 112482460160.

The previous prime is 224997968123. The next prime is 224997968177. The reversal of 224997968128 is 821869799422.

It is not an unprimeable number, because it can be changed into a prime (224997968123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1785075 + ... + 1906957.

It is an arithmetic number, because the mean of its divisors is an integer number (12477305708).

Almost surely, 2^224997968128 is an apocalyptic number.

It is an amenable number.

224997968128 is a deficient number, since it is larger than the sum of its proper divisors (224185037360).

224997968128 is an equidigital number, since it uses as much as digits as its factorization.

224997968128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129110 (or 129096 counting only the distinct ones).

The product of its digits is 62705664, while the sum is 67.

The spelling of 224997968128 in words is "two hundred twenty-four billion, nine hundred ninety-seven million, nine hundred sixty-eight thousand, one hundred twenty-eight".