128814222 has 16 divisors (see below), whose sum is σ = 257991552. Its totient is φ = 42877560.

The previous prime is 128814209. The next prime is 128814223. The reversal of 128814222 is 222418821.

It is a self number, because there is not a number n which added to its sum of digits gives 128814222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128814223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10404 + ... + 19127.

It is an arithmetic number, because the mean of its divisors is an integer number (16124472).

Almost surely, 2^128814222 is an apocalyptic number.

128814222 is an abundant number, since it is smaller than the sum of its proper divisors (129177330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

128814222 is a wasteful number, since it uses less digits than its factorization.

128814222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30263.

The product of its digits is 4096, while the sum is 30.

The square root of 128814222 is about 11349.6353245380. The cubic root of 128814222 is about 505.0347615192.

The spelling of 128814222 in words is "one hundred twenty-eight million, eight hundred fourteen thousand, two hundred twenty-two".