522321123225 has 96 divisors (see below), whose sum is σ = 952433468928. Its totient is φ = 250472320000.

The previous prime is 522321123199. The next prime is 522321123229.

It is a happy number.

522321123225 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 522321123225 - 2⁵ = 522321123193 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 522321123192 and 522321123201.

It is not an unprimeable number, because it can be changed into a prime (522321123229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 45767770 + ... + 45779180.

It is an arithmetic number, because the mean of its divisors is an integer number (9921181968).

Almost surely, 2^522321123225 is an apocalyptic number.

522321123225 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

522321123225 is a deficient number, since it is larger than the sum of its proper divisors (430112345703).

522321123225 is a wasteful number, since it uses less digits than its factorization.

522321123225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12039 (or 12034 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

It can be divided in two parts, 522321 and 123225, that added together give a palindrome (645546).

The spelling of 522321123225 in words is "five hundred twenty-two billion, three hundred twenty-one million, one hundred twenty-three thousand, two hundred twenty-five".