225299 has 2 divisors, whose sum is σ = 225300. Its totient is φ = 225298.

The previous prime is 225289. The next prime is 225307. The reversal of 225299 is 992522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 225299 - 2¹² = 221203 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (225289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112649 + 112650.

It is an arithmetic number, because the mean of its divisors is an integer number (112650).

2²²⁵²⁹⁹ is an apocalyptic number.

225299 is a deficient number, since it is larger than the sum of its proper divisors (1).

225299 is an equidigital number, since it uses as much as digits as its factorization.

225299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240, while the sum is 29.

The square root of 225299 is about 474.6567180605. The cubic root of 225299 is about 60.8489499324.

The spelling of 225299 in words is "two hundred twenty-five thousand, two hundred ninety-nine".