5222865121 has 2 divisors, whose sum is σ = 5222865122. Its totient is φ = 5222865120.

The previous prime is 5222865119. The next prime is 5222865127. The reversal of 5222865121 is 1215682225.

5222865121 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4170576400 + 1052288721 = 64580^2 + 32439^2 .

It is a cyclic number.

It is not a de Polignac number, because 5222865121 - 2¹ = 5222865119 is a prime.

Together with 5222865119, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (5222865127) 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 as a sum of consecutive naturals, namely, 2611432560 + 2611432561.

It is an arithmetic number, because the mean of its divisors is an integer number (2611432561).

Almost surely, 2^5222865121 is an apocalyptic number.

It is an amenable number.

5222865121 is a deficient number, since it is larger than the sum of its proper divisors (1).

5222865121 is an equidigital number, since it uses as much as digits as its factorization.

5222865121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19200, while the sum is 34.

The square root of 5222865121 is about 72269.3926984308. The cubic root of 5222865121 is about 1735.0138134754.

The spelling of 5222865121 in words is "five billion, two hundred twenty-two million, eight hundred sixty-five thousand, one hundred twenty-one".