52221012225 has 48 divisors (see below), whose sum is σ = 89320783104. Its totient is φ = 26902720000.

The previous prime is 52221012203. The next prime is 52221012227.

52221012225 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 52221012225 - 2²² = 52216817921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52221012195 and 52221012204.

It is not an unprimeable number, because it can be changed into a prime (52221012227) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 226504 + ... + 394646.

It is an arithmetic number, because the mean of its divisors is an integer number (1860849648).

Almost surely, 2^52221012225 is an apocalyptic number.

It is an amenable number.

52221012225 is a deficient number, since it is larger than the sum of its proper divisors (37099770879).

52221012225 is a wasteful number, since it uses less digits than its factorization.

52221012225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168298 (or 168293 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

It can be divided in two parts, 522210 and 12225, that added together give a palindrome (534435).

The spelling of 52221012225 in words is "fifty-two billion, two hundred twenty-one million, twelve thousand, two hundred twenty-five".