225517075494 has 16 divisors (see below), whose sum is σ = 451050577920. Its totient is φ = 75169620680.

The previous prime is 225517075481. The next prime is 225517075513. The reversal of 225517075494 is 494570715522.

225517075494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 502254 + ... + 838625.

It is an arithmetic number, because the mean of its divisors is an integer number (28190661120).

Almost surely, 2^225517075494 is an apocalyptic number.

225517075494 is an abundant number, since it is smaller than the sum of its proper divisors (225533502426).

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

225517075494 is a wasteful number, since it uses less digits than its factorization.

225517075494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1368915.

The product of its (nonzero) digits is 3528000, while the sum is 51.

The spelling of 225517075494 in words is "two hundred twenty-five billion, five hundred seventeen million, seventy-five thousand, four hundred ninety-four".