225520606 has 16 divisors (see below), whose sum is σ = 360386064. Its totient is φ = 105473664.

The previous prime is 225520601. The next prime is 225520613. The reversal of 225520606 is 606025522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225520601) 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, 14805 + ... + 25888.

It is an arithmetic number, because the mean of its divisors is an integer number (22524129).

Almost surely, 2^225520606 is an apocalyptic number.

225520606 is a deficient number, since it is larger than the sum of its proper divisors (134865458).

225520606 is a wasteful number, since it uses less digits than its factorization.

225520606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40875.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 225520606 is about 15017.3435067591. The cubic root of 225520606 is about 608.6889390861.

The spelling of 225520606 in words is "two hundred twenty-five million, five hundred twenty thousand, six hundred six".