522215112502452 has 192 divisors, whose sum is σ = 1312583698944000. Its totient is φ = 161002823116800.

The previous prime is 522215112502429. The next prime is 522215112502459. The reversal of 522215112502452 is 254205211512225.

It is a self number, because there is not a number n which added to its sum of digits gives 522215112502452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522215112502459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5933746633 + ... + 5933834639.

It is an arithmetic number, because the mean of its divisors is an integer number (6836373432000).

Almost surely, 2^{522215112502452} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 522215112502452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (656291849472000).

522215112502452 is an abundant number, since it is smaller than the sum of its proper divisors (790368586441548).

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

522215112502452 is a wasteful number, since it uses less digits than its factorization.

522215112502452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89422 (or 89420 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 39.

The spelling of 522215112502452 in words is "five hundred twenty-two trillion, two hundred fifteen billion, one hundred twelve million, five hundred two thousand, four hundred fifty-two".