522211045420 has 48 divisors (see below), whose sum is σ = 1107473599008. Its totient is φ = 206823536640.

The previous prime is 522211045393. The next prime is 522211045427. The reversal of 522211045420 is 24540112225.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (522211045427) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4073500 + ... + 4199740.

It is an arithmetic number, because the mean of its divisors is an integer number (23072366646).

Almost surely, 2^522211045420 is an apocalyptic number.

It is an amenable number.

522211045420 is an abundant number, since it is smaller than the sum of its proper divisors (585262553588).

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

522211045420 is a wasteful number, since it uses less digits than its factorization.

522211045420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128290 (or 128288 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

Adding to 522211045420 its reverse (24540112225), we get a palindrome (546751157645).

The spelling of 522211045420 in words is "five hundred twenty-two billion, two hundred eleven million, forty-five thousand, four hundred twenty".