225265146 has 8 divisors (see below), whose sum is σ = 450530304. Its totient is φ = 75088380.

The previous prime is 225265133. The next prime is 225265163. The reversal of 225265146 is 641562522.

It is a sphenic number, since it is the product of 3 distinct primes.

225265146 is an admirable number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 18772090 + ... + 18772101.

It is an arithmetic number, because the mean of its divisors is an integer number (56316288).

Almost surely, 2^225265146 is an apocalyptic number.

225265146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

225265146 is a wasteful number, since it uses less digits than its factorization.

225265146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37544196.

The product of its digits is 28800, while the sum is 33.

The square root of 225265146 is about 15008.8355977404. The cubic root of 225265146 is about 608.4590200719.

It can be divided in two parts, 22526 and 5146, that added together give a palindrome (27672).

The spelling of 225265146 in words is "two hundred twenty-five million, two hundred sixty-five thousand, one hundred forty-six".