522333305452552 has 256 divisors, whose sum is σ = 1093078296011520. Its totient is φ = 232015620096000.

The previous prime is 522333305452537. The next prime is 522333305452577. The reversal of 522333305452552 is 255254503333225.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 522333305452496 and 522333305452505.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 401486014302 + ... + 401486015602.

It is an arithmetic number, because the mean of its divisors is an integer number (4269837093795).

Almost surely, 2^{522333305452552} 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 522333305452552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (546539148005760).

522333305452552 is an abundant number, since it is smaller than the sum of its proper divisors (570744990558968).

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

522333305452552 is a wasteful number, since it uses less digits than its factorization.

522333305452552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2744 (or 2740 counting only the distinct ones).

The product of its (nonzero) digits is 16200000, while the sum is 49.

Adding to 522333305452552 its reverse (255254503333225), we get a palindrome (777587808785777).

The spelling of 522333305452552 in words is "five hundred twenty-two trillion, three hundred thirty-three billion, three hundred five million, four hundred fifty-two thousand, five hundred fifty-two".