522531022122 has 24 divisors (see below), whose sum is σ = 1133471643876. Its totient is φ = 173973761856.

The previous prime is 522531022121. The next prime is 522531022129. The reversal of 522531022122 is 221220135225.

522531022122 is a `hidden beast` number, since 5 + 2 + 2 + 531 + 0 + 2 + 2 + 122 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 514721588481 + 7809433641 = 717441^2 + 88371^2 .

It is not an unprimeable number, because it can be changed into a prime (522531022121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16921273 + ... + 16952124.

Almost surely, 2^522531022122 is an apocalyptic number.

522531022122 is an abundant number, since it is smaller than the sum of its proper divisors (610940621754).

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

522531022122 is a wasteful number, since it uses less digits than its factorization.

522531022122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33874262 (or 33874259 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 522531022122 its reverse (221220135225), we get a palindrome (743751157347).

The spelling of 522531022122 in words is "five hundred twenty-two billion, five hundred thirty-one million, twenty-two thousand, one hundred twenty-two".