522247040 has 128 divisors (see below), whose sum is σ = 1460574720. Its totient is φ = 174827520.

The previous prime is 522247027. The next prime is 522247057. The reversal of 522247040 is 40742225.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191285 + ... + 193995.

It is an arithmetic number, because the mean of its divisors is an integer number (11410740).

Almost surely, 2^522247040 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 522247040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (730287360).

522247040 is an abundant number, since it is smaller than the sum of its proper divisors (938327680).

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

522247040 is a wasteful number, since it uses less digits than its factorization.

522247040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2780 (or 2768 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 522247040 is about 22852.7250016273. The cubic root of 522247040 is about 805.3017862102.

Adding to 522247040 its reverse (40742225), we get a palindrome (562989265).

The spelling of 522247040 in words is "five hundred twenty-two million, two hundred forty-seven thousand, forty".