522242568 has 192 divisors, whose sum is σ = 1533692160. Its totient is φ = 160247808.

The previous prime is 522242563. The next prime is 522242579. The reversal of 522242568 is 865242225.

522242568 is a `hidden beast` number, since 5 + 222 + 425 + 6 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (522242563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5383896 + ... + 5383992.

It is an arithmetic number, because the mean of its divisors is an integer number (7987980).

Almost surely, 2^522242568 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 522242568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (766846080).

522242568 is an abundant number, since it is smaller than the sum of its proper divisors (1011449592).

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

522242568 is a wasteful number, since it uses less digits than its factorization.

522242568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236 (or 229 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

The square root of 522242568 is about 22852.6271575064. The cubic root of 522242568 is about 805.2994876046.

The spelling of 522242568 in words is "five hundred twenty-two million, two hundred forty-two thousand, five hundred sixty-eight".