225831299 has 2 divisors, whose sum is σ = 225831300. Its totient is φ = 225831298.

The previous prime is 225831197. The next prime is 225831317. The reversal of 225831299 is 992138522.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225831299 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (225831499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112915649 + 112915650.

It is an arithmetic number, because the mean of its divisors is an integer number (112915650).

Almost surely, 2^225831299 is an apocalyptic number.

225831299 is a deficient number, since it is larger than the sum of its proper divisors (1).

225831299 is an equidigital number, since it uses as much as digits as its factorization.

225831299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 41.

The square root of 225831299 is about 15027.6844190980. The cubic root of 225831299 is about 608.9683350079.

The spelling of 225831299 in words is "two hundred twenty-five million, eight hundred thirty-one thousand, two hundred ninety-nine".