225017217646312 has 64 divisors (see below), whose sum is σ = 519818835957120. Its totient is φ = 88923800325888.

The previous prime is 225017217646297. The next prime is 225017217646373. The reversal of 225017217646312 is 213646712710522.

It is a happy number.

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, 162504663 + ... + 163883494.

It is an arithmetic number, because the mean of its divisors is an integer number (8122169311830).

Almost surely, 2^{225017217646312} is an apocalyptic number.

It is an amenable number.

225017217646312 is an abundant number, since it is smaller than the sum of its proper divisors (294801618310808).

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

225017217646312 is a wasteful number, since it uses less digits than its factorization.

225017217646312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326389130 (or 326389126 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 49.

The spelling of 225017217646312 in words is "two hundred twenty-five trillion, seventeen billion, two hundred seventeen million, six hundred forty-six thousand, three hundred twelve".