225193228 has 24 divisors (see below), whose sum is σ = 425335680. Its totient is φ = 103706880.

The previous prime is 225193223. The next prime is 225193249. The reversal of 225193228 is 822391522.

It is a junction number, because it is equal to n+sod(n) for n = 225193193 and 225193202.

It is not an unprimeable number, because it can be changed into a prime (225193223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20388 + ... + 29428.

It is an arithmetic number, because the mean of its divisors is an integer number (17722320).

Almost surely, 2^225193228 is an apocalyptic number.

It is an amenable number.

225193228 is a deficient number, since it is larger than the sum of its proper divisors (200142452).

225193228 is a wasteful number, since it uses less digits than its factorization.

225193228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9537 (or 9535 counting only the distinct ones).

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

The square root of 225193228 is about 15006.4395510727. The cubic root of 225193228 is about 608.3942611063.

The spelling of 225193228 in words is "two hundred twenty-five million, one hundred ninety-three thousand, two hundred twenty-eight".