223300225 has 6 divisors (see below), whose sum is σ = 276892310. Its totient is φ = 178640160.

The previous prime is 223300171. The next prime is 223300229. The reversal of 223300225 is 522003322.

It can be written as a sum of positive squares in 3 ways, for example, as 58614336 + 164685889 = 7656^2 + 12833^2 .

It is not a de Polignac number, because 223300225 - 2⁷ = 223300097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (223300229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4465980 + ... + 4466029.

Almost surely, 2^223300225 is an apocalyptic number.

223300225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

223300225 is a deficient number, since it is larger than the sum of its proper divisors (53592085).

223300225 is an equidigital number, since it uses as much as digits as its factorization.

223300225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8932019 (or 8932014 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 223300225 is about 14943.2334185075. The cubic root of 223300225 is about 606.6847153119.

Adding to 223300225 its reverse (522003322), we get a palindrome (745303547).

The spelling of 223300225 in words is "two hundred twenty-three million, three hundred thousand, two hundred twenty-five".