393330225 has 36 divisors (see below), whose sum is σ = 663162416. Its totient is φ = 205707840.

The previous prime is 393330221. The next prime is 393330227. The reversal of 393330225 is 522033393.

It is not a de Polignac number, because 393330225 - 2² = 393330221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 393330192 and 393330201.

It is not an unprimeable number, because it can be changed into a prime (393330221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 209742 + ... + 211608.

Almost surely, 2^393330225 is an apocalyptic number.

It is an amenable number.

393330225 is a deficient number, since it is larger than the sum of its proper divisors (269832191).

393330225 is a wasteful number, since it uses less digits than its factorization.

393330225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1986 (or 1928 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 30.

The square root of 393330225 is about 19832.5546765917. The cubic root of 393330225 is about 732.6880474853.

The spelling of 393330225 in words is "three hundred ninety-three million, three hundred thirty thousand, two hundred twenty-five".