193244225 has 12 divisors (see below), whose sum is σ = 240344364. Its totient is φ = 154129920.

The previous prime is 193244221. The next prime is 193244239. The reversal of 193244225 is 522442391.

It can be written as a sum of positive squares in 6 ways, for example, as 28558336 + 164685889 = 5344^2 + 12833^2 .

It is not a de Polignac number, because 193244225 - 2² = 193244221 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 193244191 and 193244200.

It is not an unprimeable number, because it can be changed into a prime (193244221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3044 + ... + 19893.

It is an arithmetic number, because the mean of its divisors is an integer number (20028697).

Almost surely, 2^193244225 is an apocalyptic number.

It is an amenable number.

193244225 is a deficient number, since it is larger than the sum of its proper divisors (47100139).

193244225 is a wasteful number, since it uses less digits than its factorization.

193244225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23284 (or 23279 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 193244225 is about 13901.2310605932. The cubic root of 193244225 is about 578.1433146377.

The spelling of 193244225 in words is "one hundred ninety-three million, two hundred forty-four thousand, two hundred twenty-five".