225155112 has 64 divisors (see below), whose sum is σ = 692791680. Its totient is φ = 59380992.

The previous prime is 225155081. The next prime is 225155221. The reversal of 225155112 is 211551522.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 49363 + ... + 53730.

It is an arithmetic number, because the mean of its divisors is an integer number (10824870).

Almost surely, 2^225155112 is an apocalyptic number.

It is an amenable number.

225155112 is an abundant number, since it is smaller than the sum of its proper divisors (467636568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225155112 is a wasteful number, since it uses less digits than its factorization.

225155112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103122 (or 103118 counting only the distinct ones).

The product of its digits is 1000, while the sum is 24.

The square root of 225155112 is about 15005.1695092058. The cubic root of 225155112 is about 608.3599337506.

The spelling of 225155112 in words is "two hundred twenty-five million, one hundred fifty-five thousand, one hundred twelve".