128382226 has 16 divisors (see below), whose sum is σ = 220343040. Its totient is φ = 54956160.

The previous prime is 128382203. The next prime is 128382277. The reversal of 128382226 is 622283821.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 128382191 and 128382200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8071 + ... + 17941.

It is an arithmetic number, because the mean of its divisors is an integer number (13771440).

Almost surely, 2^128382226 is an apocalyptic number.

128382226 is a deficient number, since it is larger than the sum of its proper divisors (91960814).

128382226 is an equidigital number, since it uses as much as digits as its factorization.

128382226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10809.

The product of its digits is 18432, while the sum is 34.

The square root of 128382226 is about 11330.5880694693. The cubic root of 128382226 is about 504.4695616528.

The spelling of 128382226 in words is "one hundred twenty-eight million, three hundred eighty-two thousand, two hundred twenty-six".