810222385019 has 2 divisors, whose sum is σ = 810222385020. Its totient is φ = 810222385018.

The previous prime is 810222384973. The next prime is 810222385031. The reversal of 810222385019 is 910583222018.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 810222385019 - 2²⁰ = 810221336443 is a prime.

It is a super-2 number, since 2×810222385019² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (810222385099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 405111192509 + 405111192510.

It is an arithmetic number, because the mean of its divisors is an integer number (405111192510).

Almost surely, 2^810222385019 is an apocalyptic number.

810222385019 is a deficient number, since it is larger than the sum of its proper divisors (1).

810222385019 is an equidigital number, since it uses as much as digits as its factorization.

810222385019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 41.

The spelling of 810222385019 in words is "eight hundred ten billion, two hundred twenty-two million, three hundred eighty-five thousand, nineteen".