52223787882221 has 2 divisors, whose sum is σ = 52223787882222. Its totient is φ = 52223787882220.

The previous prime is 52223787882209. The next prime is 52223787882257. The reversal of 52223787882221 is 12228878732225.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51197387905225 + 1026399976996 = 7155235^2 + 1013114^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52223787882221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52223787882121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26111893941110 + 26111893941111.

It is an arithmetic number, because the mean of its divisors is an integer number (26111893941111).

Almost surely, 2^{52223787882221} is an apocalyptic number.

It is an amenable number.

52223787882221 is a deficient number, since it is larger than the sum of its proper divisors (1).

52223787882221 is an equidigital number, since it uses as much as digits as its factorization.

52223787882221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24084480, while the sum is 59.

The spelling of 52223787882221 in words is "fifty-two trillion, two hundred twenty-three billion, seven hundred eighty-seven million, eight hundred eighty-two thousand, two hundred twenty-one".