225320099 has 2 divisors, whose sum is σ = 225320100. Its totient is φ = 225320098.

The previous prime is 225320093. The next prime is 225320149. The reversal of 225320099 is 990023522.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225320099 - 2⁴ = 225320083 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (225320093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112660049 + 112660050.

It is an arithmetic number, because the mean of its divisors is an integer number (112660050).

Almost surely, 2^225320099 is an apocalyptic number.

225320099 is a deficient number, since it is larger than the sum of its proper divisors (1).

225320099 is an equidigital number, since it uses as much as digits as its factorization.

225320099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 225320099 is about 15010.6661744241. Note that the first 3 decimals coincide. The cubic root of 225320099 is about 608.5084935191.

The spelling of 225320099 in words is "two hundred twenty-five million, three hundred twenty thousand, ninety-nine".