128359222 has 8 divisors (see below), whose sum is σ = 192969000. Its totient is φ = 64036224.

The previous prime is 128359219. The next prime is 128359223. The reversal of 128359222 is 222953821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128359223) 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, 70572 + ... + 72367.

It is an arithmetic number, because the mean of its divisors is an integer number (24121125).

Almost surely, 2^128359222 is an apocalyptic number.

128359222 is a deficient number, since it is larger than the sum of its proper divisors (64609778).

128359222 is a wasteful number, since it uses less digits than its factorization.

128359222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143390.

The product of its digits is 17280, while the sum is 34.

The square root of 128359222 is about 11329.5728957450. The cubic root of 128359222 is about 504.4394289484.

The spelling of 128359222 in words is "one hundred twenty-eight million, three hundred fifty-nine thousand, two hundred twenty-two".