199922685 has 8 divisors (see below), whose sum is σ = 319876320. Its totient is φ = 106625424.

The previous prime is 199922633. The next prime is 199922713. The reversal of 199922685 is 586229991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 199922685 - 2¹³ = 199914493 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 6664075 + ... + 6664104.

It is an arithmetic number, because the mean of its divisors is an integer number (39984540).

Almost surely, 2^199922685 is an apocalyptic number.

199922685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

199922685 is a deficient number, since it is larger than the sum of its proper divisors (119953635).

199922685 is a wasteful number, since it uses less digits than its factorization.

199922685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13328187.

The product of its digits is 699840, while the sum is 51.

The square root of 199922685 is about 14139.4018614650. The cubic root of 199922685 is about 584.7281811197.

The spelling of 199922685 in words is "one hundred ninety-nine million, nine hundred twenty-two thousand, six hundred eighty-five".