225456659 has 2 divisors, whose sum is σ = 225456660. Its totient is φ = 225456658.

The previous prime is 225456629. The next prime is 225456661. The reversal of 225456659 is 956654522.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225456659 is a prime.

It is a Sophie Germain prime.

Together with 225456661, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (225456619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112728329 + 112728330.

It is an arithmetic number, because the mean of its divisors is an integer number (112728330).

Almost surely, 2^225456659 is an apocalyptic number.

225456659 is a deficient number, since it is larger than the sum of its proper divisors (1).

225456659 is an equidigital number, since it uses as much as digits as its factorization.

225456659 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648000, while the sum is 44.

The square root of 225456659 is about 15015.2142508857. The cubic root of 225456659 is about 608.6314018292.

The spelling of 225456659 in words is "two hundred twenty-five million, four hundred fifty-six thousand, six hundred fifty-nine".