522112340 has 24 divisors (see below), whose sum is σ = 1096872840. Its totient is φ = 208761728.

The previous prime is 522112333. The next prime is 522112363. The reversal of 522112340 is 43211225.

It can be written as a sum of positive squares in 4 ways, for example, as 56761156 + 465351184 = 7534^2 + 21572^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81494 + ... + 87666.

It is an arithmetic number, because the mean of its divisors is an integer number (45703035).

Almost surely, 2^522112340 is an apocalyptic number.

It is an amenable number.

522112340 is an abundant number, since it is smaller than the sum of its proper divisors (574760500).

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

522112340 is a wasteful number, since it uses less digits than its factorization.

522112340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10411 (or 10409 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 522112340 is about 22849.7776794436. Note that the first 3 decimals coincide. The cubic root of 522112340 is about 805.2325447276.

Adding to 522112340 its reverse (43211225), we get a palindrome (565323565).

The spelling of 522112340 in words is "five hundred twenty-two million, one hundred twelve thousand, three hundred forty".