225628870 has 8 divisors (see below), whose sum is σ = 406131984. Its totient is φ = 90251544.

The previous prime is 225628859. The next prime is 225628877. The reversal of 225628870 is 78826522.

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 (225628877) 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, 11281434 + ... + 11281453.

It is an arithmetic number, because the mean of its divisors is an integer number (50766498).

Almost surely, 2^225628870 is an apocalyptic number.

225628870 is a deficient number, since it is larger than the sum of its proper divisors (180503114).

225628870 is a wasteful number, since it uses less digits than its factorization.

225628870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22562894.

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 225628870 is about 15020.9477064531. The cubic root of 225628870 is about 608.7863264277.

The spelling of 225628870 in words is "two hundred twenty-five million, six hundred twenty-eight thousand, eight hundred seventy".