193228825 has 6 divisors (see below), whose sum is σ = 239603774. Its totient is φ = 154583040.

The previous prime is 193228823. The next prime is 193228873. The reversal of 193228825 is 528822391.

It can be written as a sum of positive squares in 3 ways, for example, as 60886809 + 132342016 = 7803^2 + 11504^2 .

It is not a de Polignac number, because 193228825 - 2¹ = 193228823 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (193228823) 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 5 ways as a sum of consecutive naturals, for example, 3864552 + ... + 3864601.

Almost surely, 2^193228825 is an apocalyptic number.

It is an amenable number.

193228825 is a deficient number, since it is larger than the sum of its proper divisors (46374949).

193228825 is an equidigital number, since it uses as much as digits as its factorization.

193228825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7729163 (or 7729158 counting only the distinct ones).

The product of its digits is 69120, while the sum is 40.

The square root of 193228825 is about 13900.6771417798. The cubic root of 193228825 is about 578.1279564495.

The spelling of 193228825 in words is "one hundred ninety-three million, two hundred twenty-eight thousand, eight hundred twenty-five".