985422199 has 2 divisors, whose sum is σ = 985422200. Its totient is φ = 985422198.

The previous prime is 985422197. The next prime is 985422211. The reversal of 985422199 is 991224589.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 985422199 - 2¹ = 985422197 is a prime.

Together with 985422197, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (985422197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492711099 + 492711100.

It is an arithmetic number, because the mean of its divisors is an integer number (492711100).

Almost surely, 2^985422199 is an apocalyptic number.

985422199 is a deficient number, since it is larger than the sum of its proper divisors (1).

985422199 is an equidigital number, since it uses as much as digits as its factorization.

985422199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 466560, while the sum is 49.

The square root of 985422199 is about 31391.4351217016. The cubic root of 985422199 is about 995.1169274134.

The spelling of 985422199 in words is "nine hundred eighty-five million, four hundred twenty-two thousand, one hundred ninety-nine".