225872158 has 16 divisors (see below), whose sum is σ = 347004000. Its totient is φ = 110236000.

The previous prime is 225872137. The next prime is 225872159. The reversal of 225872158 is 851278522.

It is a self number, because there is not a number n which added to its sum of digits gives 225872158.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225872159) 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, 6468 + ... + 22216.

It is an arithmetic number, because the mean of its divisors is an integer number (21687750).

Almost surely, 2^225872158 is an apocalyptic number.

225872158 is a deficient number, since it is larger than the sum of its proper divisors (121131842).

225872158 is a wasteful number, since it uses less digits than its factorization.

225872158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15923.

The product of its digits is 89600, while the sum is 40.

The square root of 225872158 is about 15029.0438152266. The cubic root of 225872158 is about 609.0050590830.

The spelling of 225872158 in words is "two hundred twenty-five million, eight hundred seventy-two thousand, one hundred fifty-eight".