522242556 has 96 divisors (see below), whose sum is σ = 1383540480. Its totient is φ = 151872000.

The previous prime is 522242537. The next prime is 522242563. The reversal of 522242556 is 655242225.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 868656 + ... + 869256.

It is an arithmetic number, because the mean of its divisors is an integer number (14411880).

Almost surely, 2^522242556 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 522242556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (691770240).

522242556 is an abundant number, since it is smaller than the sum of its proper divisors (861297924).

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

522242556 is a wasteful number, since it uses less digits than its factorization.

522242556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875 (or 873 counting only the distinct ones).

The product of its digits is 48000, while the sum is 33.

The square root of 522242556 is about 22852.6268949545. The cubic root of 522242556 is about 805.2994814366.

The spelling of 522242556 in words is "five hundred twenty-two million, two hundred forty-two thousand, five hundred fifty-six".