225162912 has 48 divisors (see below), whose sum is σ = 636521760. Its totient is φ = 69280512.

The previous prime is 225162911. The next prime is 225162913. The reversal of 225162912 is 219261522.

It is an interprime number because it is at equal distance from previous prime (225162911) and next prime (225162913).

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 225162912.

It is not an unprimeable number, because it can be changed into a prime (225162911) 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, 88962 + ... + 91457.

It is an arithmetic number, because the mean of its divisors is an integer number (13260870).

Almost surely, 2^225162912 is an apocalyptic number.

It is an amenable number.

225162912 is an abundant number, since it is smaller than the sum of its proper divisors (411358848).

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

225162912 is a wasteful number, since it uses less digits than its factorization.

225162912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180445 (or 180437 counting only the distinct ones).

The product of its digits is 4320, while the sum is 30.

The square root of 225162912 is about 15005.4294173809. The cubic root of 225162912 is about 608.3669587635.

The spelling of 225162912 in words is "two hundred twenty-five million, one hundred sixty-two thousand, nine hundred twelve".