225661127 has 2 divisors, whose sum is σ = 225661128. Its totient is φ = 225661126.

The previous prime is 225661123. The next prime is 225661129. The reversal of 225661127 is 721166522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 225661127 - 2² = 225661123 is a prime.

Together with 225661129, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 225661093 and 225661102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225661123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112830563 + 112830564.

It is an arithmetic number, because the mean of its divisors is an integer number (112830564).

Almost surely, 2^225661127 is an apocalyptic number.

225661127 is a deficient number, since it is larger than the sum of its proper divisors (1).

225661127 is an equidigital number, since it uses as much as digits as its factorization.

225661127 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 32.

The square root of 225661127 is about 15022.0214019286. The cubic root of 225661127 is about 608.8153367294.

The spelling of 225661127 in words is "two hundred twenty-five million, six hundred sixty-one thousand, one hundred twenty-seven".