225873784 has 8 divisors (see below), whose sum is σ = 423513360. Its totient is φ = 112936888.

The previous prime is 225873761. The next prime is 225873799. The reversal of 225873784 is 487378522.

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

It is a congruent 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 as a sum of consecutive naturals, namely, 14117104 + ... + 14117119.

It is an arithmetic number, because the mean of its divisors is an integer number (52939170).

Almost surely, 2^225873784 is an apocalyptic number.

It is an amenable number.

225873784 is a deficient number, since it is larger than the sum of its proper divisors (197639576).

225873784 is a wasteful number, since it uses less digits than its factorization.

225873784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28234229 (or 28234225 counting only the distinct ones).

The product of its digits is 752640, while the sum is 46.

The square root of 225873784 is about 15029.0979103870. The cubic root of 225873784 is about 609.0065204404.

The spelling of 225873784 in words is "two hundred twenty-five million, eight hundred seventy-three thousand, seven hundred eighty-four".