522242217728255 has 4 divisors (see below), whose sum is σ = 626690661273912. Its totient is φ = 417793774182600.

The previous prime is 522242217728239. The next prime is 522242217728279. The reversal of 522242217728255 is 552827712242225.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 522242217728255 - 2⁴ = 522242217728239 is a prime.

It is a super-2 number, since 2×522242217728255² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 522242217728255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52224221772821 + ... + 52224221772830.

It is an arithmetic number, because the mean of its divisors is an integer number (156672665318478).

Almost surely, 2^{522242217728255} is an apocalyptic number.

522242217728255 is a deficient number, since it is larger than the sum of its proper divisors (104448443545657).

522242217728255 is a wasteful number, since it uses less digits than its factorization.

522242217728255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104448443545656.

The product of its digits is 25088000, while the sum is 56.

The spelling of 522242217728255 in words is "five hundred twenty-two trillion, two hundred forty-two billion, two hundred seventeen million, seven hundred twenty-eight thousand, two hundred fifty-five".