225223099 has 2 divisors, whose sum is σ = 225223100. Its totient is φ = 225223098.

The previous prime is 225223079. The next prime is 225223171. The reversal of 225223099 is 990322522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225223099 - 2⁹ = 225222587 is a prime.

It is not a weakly prime, because it can be changed into another prime (225223049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112611549 + 112611550.

It is an arithmetic number, because the mean of its divisors is an integer number (112611550).

Almost surely, 2^225223099 is an apocalyptic number.

225223099 is a deficient number, since it is larger than the sum of its proper divisors (1).

225223099 is an equidigital number, since it uses as much as digits as its factorization.

225223099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 225223099 is about 15007.4347907962. The cubic root of 225223099 is about 608.4211602892.

The spelling of 225223099 in words is "two hundred twenty-five million, two hundred twenty-three thousand, ninety-nine".