128224288 has 24 divisors (see below), whose sum is σ = 254899008. Its totient is φ = 63488064.

The previous prime is 128224273. The next prime is 128224289. The reversal of 128224288 is 882422821.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (128224289) 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, 16156 + ... + 22747.

It is an arithmetic number, because the mean of its divisors is an integer number (10620792).

Almost surely, 2^128224288 is an apocalyptic number.

It is an amenable number.

128224288 is a deficient number, since it is larger than the sum of its proper divisors (126674720).

128224288 is a wasteful number, since it uses less digits than its factorization.

128224288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39016 (or 39008 counting only the distinct ones).

The product of its digits is 32768, while the sum is 37.

The square root of 128224288 is about 11323.6163834704. The cubic root of 128224288 is about 504.2626077492.

The spelling of 128224288 in words is "one hundred twenty-eight million, two hundred twenty-four thousand, two hundred eighty-eight".