422185888009 has 2 divisors, whose sum is σ = 422185888010. Its totient is φ = 422185888008.

The previous prime is 422185887961. The next prime is 422185888027. The reversal of 422185888009 is 900888581224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 310226720400 + 111959167609 = 556980^2 + 334603^2 .

It is a cyclic number.

It is not a de Polignac number, because 422185888009 - 2³³ = 413595953417 is a prime.

It is not a weakly prime, because it can be changed into another prime (422185888409) 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, 211092944004 + 211092944005.

It is an arithmetic number, because the mean of its divisors is an integer number (211092944005).

Almost surely, 2^422185888009 is an apocalyptic number.

It is an amenable number.

422185888009 is a deficient number, since it is larger than the sum of its proper divisors (1).

422185888009 is an equidigital number, since it uses as much as digits as its factorization.

422185888009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2949120, while the sum is 55.

The spelling of 422185888009 in words is "four hundred twenty-two billion, one hundred eighty-five million, eight hundred eighty-eight thousand, nine".