8222168501525 has 24 divisors (see below), whose sum is σ = 11122588462944. Its totient is φ = 5979631550400.

The previous prime is 8222168501513. The next prime is 8222168501531. The reversal of 8222168501525 is 5251058612228.

It is not a de Polignac number, because 8222168501525 - 2¹⁸ = 8222168239381 is a prime.

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 8222168501525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13743947 + ... + 14329703.

It is an arithmetic number, because the mean of its divisors is an integer number (463441185956).

Almost surely, 2^{8222168501525} is an apocalyptic number.

It is an amenable number.

8222168501525 is a deficient number, since it is larger than the sum of its proper divisors (2900419961419).

8222168501525 is a wasteful number, since it uses less digits than its factorization.

8222168501525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636821 (or 636816 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 47.

The spelling of 8222168501525 in words is "eight trillion, two hundred twenty-two billion, one hundred sixty-eight million, five hundred one thousand, five hundred twenty-five".