199224134 has 4 divisors (see below), whose sum is σ = 298836204. Its totient is φ = 99612066.

The previous prime is 199224133. The next prime is 199224143. The reversal of 199224134 is 431422991.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 199224094 and 199224103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199224131) 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, 49806032 + ... + 49806035.

It is an arithmetic number, because the mean of its divisors is an integer number (74709051).

Almost surely, 2^199224134 is an apocalyptic number.

199224134 is a deficient number, since it is larger than the sum of its proper divisors (99612070).

199224134 is an equidigital number, since it uses as much as digits as its factorization.

199224134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99612069.

The product of its digits is 15552, while the sum is 35.

The square root of 199224134 is about 14114.6779630284. The cubic root of 199224134 is about 584.0463523445.

The spelling of 199224134 in words is "one hundred ninety-nine million, two hundred twenty-four thousand, one hundred thirty-four".