225556210 has 16 divisors (see below), whose sum is σ = 442910592. Its totient is φ = 82020400.

The previous prime is 225556157. The next prime is 225556213. The reversal of 225556210 is 12655522.

It is not an unprimeable number, because it can be changed into a prime (225556213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1025146 + ... + 1025365.

It is an arithmetic number, because the mean of its divisors is an integer number (27681912).

Almost surely, 2^225556210 is an apocalyptic number.

225556210 is a deficient number, since it is larger than the sum of its proper divisors (217354382).

225556210 is a wasteful number, since it uses less digits than its factorization.

225556210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2050529.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 225556210 is about 15018.5288893420. The cubic root of 225556210 is about 608.7209695969.

The spelling of 225556210 in words is "two hundred twenty-five million, five hundred fifty-six thousand, two hundred ten".