225104320 has 56 divisors (see below), whose sum is σ = 612611424. Its totient is φ = 77177856.

The previous prime is 225104317. The next prime is 225104357. The reversal of 225104320 is 23401522.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 48007 + ... + 52486.

Almost surely, 2^225104320 is an apocalyptic number.

225104320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225104320 is an abundant number, since it is smaller than the sum of its proper divisors (387507104).

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

225104320 is a wasteful number, since it uses less digits than its factorization.

225104320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100517 (or 100507 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 225104320 is about 15003.4769303652. The cubic root of 225104320 is about 608.3141843392.

Adding to 225104320 its reverse (23401522), we get a palindrome (248505842).

The spelling of 225104320 in words is "two hundred twenty-five million, one hundred four thousand, three hundred twenty".