225808699 has 2 divisors, whose sum is σ = 225808700. Its totient is φ = 225808698.

The previous prime is 225808663. The next prime is 225808741. The reversal of 225808699 is 996808522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225808699 - 2¹³ = 225800507 is a prime.

It is not a weakly prime, because it can be changed into another prime (225808799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112904349 + 112904350.

It is an arithmetic number, because the mean of its divisors is an integer number (112904350).

Almost surely, 2^225808699 is an apocalyptic number.

225808699 is a deficient number, since it is larger than the sum of its proper divisors (1).

225808699 is an equidigital number, since it uses as much as digits as its factorization.

225808699 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 622080, while the sum is 49.

The square root of 225808699 is about 15026.9324547627. The cubic root of 225808699 is about 608.9480202219.

The spelling of 225808699 in words is "two hundred twenty-five million, eight hundred eight thousand, six hundred ninety-nine".