52221232522 has 16 divisors (see below), whose sum is σ = 79817298912. Its totient is φ = 25615558800.

The previous prime is 52221232517. The next prime is 52221232601. The reversal of 52221232522 is 22523212225.

It is a super-2 number, since 2×52221232522² (a number of 22 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 1750213 + ... + 1779799.

It is an arithmetic number, because the mean of its divisors is an integer number (4988581182).

Almost surely, 2^52221232522 is an apocalyptic number.

52221232522 is a deficient number, since it is larger than the sum of its proper divisors (27596066390).

52221232522 is a wasteful number, since it uses less digits than its factorization.

52221232522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46293.

The product of its digits is 9600, while the sum is 28.

Adding to 52221232522 its reverse (22523212225), we get a palindrome (74744444747).

The spelling of 52221232522 in words is "fifty-two billion, two hundred twenty-one million, two hundred thirty-two thousand, five hundred twenty-two".