225788868284665 has 16 divisors (see below), whose sum is σ = 311364096825600. Its totient is φ = 153971256663360.

The previous prime is 225788868284549. The next prime is 225788868284677. The reversal of 225788868284665 is 566482868887522.

225788868284665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 225788868284665 - 2¹³ = 225788868276473 is a prime.

It is a super-2 number, since 2×225788868284665² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17820740965 + ... + 17820753634.

It is an arithmetic number, because the mean of its divisors is an integer number (19460256051600).

Almost surely, 2^{225788868284665} is an apocalyptic number.

It is an amenable number.

225788868284665 is a deficient number, since it is larger than the sum of its proper divisors (85575228540935).

225788868284665 is a wasteful number, since it uses less digits than its factorization.

225788868284665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35641494792.

The product of its digits is 39636172800, while the sum is 85.

The spelling of 225788868284665 in words is "two hundred twenty-five trillion, seven hundred eighty-eight billion, eight hundred sixty-eight million, two hundred eighty-four thousand, six hundred sixty-five".