199822 has 12 divisors (see below), whose sum is σ = 348840. Its totient is φ = 85596.

The previous prime is 199819. The next prime is 199831. The reversal of 199822 is 228991.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 922 + ... + 1117.

It is an arithmetic number, because the mean of its divisors is an integer number (29070).

2¹⁹⁹⁸²² is an apocalyptic number.

199822 is a deficient number, since it is larger than the sum of its proper divisors (149018).

199822 is a wasteful number, since it uses less digits than its factorization.

199822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2055 (or 2048 counting only the distinct ones).

The product of its digits is 2592, while the sum is 31.

The square root of 199822 is about 447.0145411505. The cubic root of 199822 is about 58.4630004429.

It can be divided in two parts, 1998 and 22, that multiplied together give a triangular number (43956 = T₂₉₆).

The spelling of 199822 in words is "one hundred ninety-nine thousand, eight hundred twenty-two".