225078128 has 40 divisors (see below), whose sum is σ = 476688240. Its totient is φ = 102103040.

The previous prime is 225078109. The next prime is 225078143. The reversal of 225078128 is 821870522.

225078128 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 118208 + ... + 120096.

It is an arithmetic number, because the mean of its divisors is an integer number (11917206).

Almost surely, 2^225078128 is an apocalyptic number.

It is an amenable number.

225078128 is an abundant number, since it is smaller than the sum of its proper divisors (251610112).

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

225078128 is a wasteful number, since it uses less digits than its factorization.

225078128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2585 (or 2579 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 225078128 is about 15002.6040406324. The cubic root of 225078128 is about 608.2905899702.

The spelling of 225078128 in words is "two hundred twenty-five million, seventy-eight thousand, one hundred twenty-eight".