225415304 has 8 divisors (see below), whose sum is σ = 422653710. Its totient is φ = 112707648.

The previous prime is 225415283. The next prime is 225415321. The reversal of 225415304 is 403514522.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 174292804 + 51122500 = 13202^2 + 7150^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 14088449 + ... + 14088464.

Almost surely, 2^225415304 is an apocalyptic number.

It is an amenable number.

225415304 is a deficient number, since it is larger than the sum of its proper divisors (197238406).

225415304 is a wasteful number, since it uses less digits than its factorization.

225415304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28176919 (or 28176915 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 225415304 is about 15013.8370845031. The cubic root of 225415304 is about 608.5941862643.

Adding to 225415304 its reverse (403514522), we get a palindrome (628929826).

The spelling of 225415304 in words is "two hundred twenty-five million, four hundred fifteen thousand, three hundred four".