52220071 has 2 divisors, whose sum is σ = 52220072. Its totient is φ = 52220070.

The previous prime is 52220059. The next prime is 52220081. The reversal of 52220071 is 17002225.

52220071 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52220071 - 2⁷ = 52219943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52220011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26110035 + 26110036.

It is an arithmetic number, because the mean of its divisors is an integer number (26110036).

Almost surely, 2^52220071 is an apocalyptic number.

52220071 is a deficient number, since it is larger than the sum of its proper divisors (1).

52220071 is an equidigital number, since it uses as much as digits as its factorization.

52220071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 52220071 is about 7226.3456186374. The cubic root of 52220071 is about 373.7769242693.

Adding to 52220071 its reverse (17002225), we get a palindrome (69222296).

The spelling of 52220071 in words is "fifty-two million, two hundred twenty thousand, seventy-one".