500222089 has 2 divisors, whose sum is σ = 500222090. Its totient is φ = 500222088.

The previous prime is 500222087. The next prime is 500222137. The reversal of 500222089 is 980222005.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 492840000 + 7382089 = 22200^2 + 2717^2 .

It is a cyclic number.

It is not a de Polignac number, because 500222089 - 2¹ = 500222087 is a prime.

It is a super-4 number, since 4×500222089⁴ (a number of 36 digits) contains 4444 as substring.

Together with 500222087, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (500222083) 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, 250111044 + 250111045.

It is an arithmetic number, because the mean of its divisors is an integer number (250111045).

Almost surely, 2^500222089 is an apocalyptic number.

It is an amenable number.

500222089 is a deficient number, since it is larger than the sum of its proper divisors (1).

500222089 is an equidigital number, since it uses as much as digits as its factorization.

500222089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 500222089 is about 22365.6452846771. The cubic root of 500222089 is about 793.8180233600.

The spelling of 500222089 in words is "five hundred million, two hundred twenty-two thousand, eighty-nine".