225015104 has 28 divisors (see below), whose sum is σ = 454946004. Its totient is φ = 110383104.

The previous prime is 225015103. The next prime is 225015121. The reversal of 225015104 is 401510522.

It can be written as a sum of positive squares in 2 ways, for example, as 140375104 + 84640000 = 11848^2 + 9200^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225015101) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 29777 + ... + 36560.

Almost surely, 2^225015104 is an apocalyptic number.

It is an amenable number.

225015104 is an abundant number, since it is smaller than the sum of its proper divisors (229930900).

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

225015104 is an equidigital number, since it uses as much as digits as its factorization.

225015104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66402 (or 66392 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 225015104 is about 15000.5034582177. The cubic root of 225015104 is about 608.2338089682.

Adding to 225015104 its reverse (401510522), we get a palindrome (626525626).

The spelling of 225015104 in words is "two hundred twenty-five million, fifteen thousand, one hundred four".