199224925 has 24 divisors (see below), whose sum is σ = 256724640. Its totient is φ = 153182400.

The previous prime is 199224923. The next prime is 199224943. The reversal of 199224925 is 529422991.

It is not a de Polignac number, because 199224925 - 2¹ = 199224923 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199224923) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 204690 + ... + 205660.

It is an arithmetic number, because the mean of its divisors is an integer number (10696860).

Almost surely, 2^199224925 is an apocalyptic number.

It is an amenable number.

199224925 is a deficient number, since it is larger than the sum of its proper divisors (57499715).

199224925 is a wasteful number, since it uses less digits than its factorization.

199224925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1293 (or 1288 counting only the distinct ones).

The product of its digits is 116640, while the sum is 43.

The square root of 199224925 is about 14114.7059834769. The cubic root of 199224925 is about 584.0471253099.

The spelling of 199224925 in words is "one hundred ninety-nine million, two hundred twenty-four thousand, nine hundred twenty-five".