225966304518 has 16 divisors (see below), whose sum is σ = 451951657536. Its totient is φ = 75318926760.

The previous prime is 225966304489. The next prime is 225966304523. The reversal of 225966304518 is 815403669522.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 637096 + ... + 926187.

It is an arithmetic number, because the mean of its divisors is an integer number (28246978596).

Almost surely, 2^225966304518 is an apocalyptic number.

225966304518 is an abundant number, since it is smaller than the sum of its proper divisors (225985353018).

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

225966304518 is a wasteful number, since it uses less digits than its factorization.

225966304518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1587379.

The product of its (nonzero) digits is 3110400, while the sum is 51.

The spelling of 225966304518 in words is "two hundred twenty-five billion, nine hundred sixty-six million, three hundred four thousand, five hundred eighteen".