225515704 has 8 divisors (see below), whose sum is σ = 422841960. Its totient is φ = 112757848.

The previous prime is 225515699. The next prime is 225515711. The reversal of 225515704 is 407515522.

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

It is a pancake number, because a pancake can be divided into 225515704 parts by 21237 straight cuts.

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 as a sum of consecutive naturals, namely, 14094724 + ... + 14094739.

It is an arithmetic number, because the mean of its divisors is an integer number (52855245).

Almost surely, 2^225515704 is an apocalyptic number.

It is an amenable number.

225515704 is a deficient number, since it is larger than the sum of its proper divisors (197326256).

225515704 is a wasteful number, since it uses less digits than its factorization.

225515704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28189469 (or 28189465 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 31.

The square root of 225515704 is about 15017.1802945826. The cubic root of 225515704 is about 608.6845288242.

The spelling of 225515704 in words is "two hundred twenty-five million, five hundred fifteen thousand, seven hundred four".