52221322312225 has 24 divisors (see below), whose sum is σ = 71149417083360. Its totient is φ = 37705912224000.

The previous prime is 52221322312139. The next prime is 52221322312241.

52221322312225 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 52221322312225 - 2¹⁵ = 52221322279457 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 683039896 + ... + 683116345.

It is an arithmetic number, because the mean of its divisors is an integer number (2964559045140).

Almost surely, 2^{52221322312225} is an apocalyptic number.

52221322312225 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

52221322312225 is a deficient number, since it is larger than the sum of its proper divisors (18928094771135).

52221322312225 is a wasteful number, since it uses less digits than its factorization.

52221322312225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1366156401 (or 1366156396 counting only the distinct ones).

The product of its digits is 57600, while the sum is 34.

It can be divided in two parts, 5222132 and 2312225, that added together give a palindrome (7534357).

The spelling of 52221322312225 in words is "fifty-two trillion, two hundred twenty-one billion, three hundred twenty-two million, three hundred twelve thousand, two hundred twenty-five".