225906671 has 2 divisors, whose sum is σ = 225906672. Its totient is φ = 225906670.

The previous prime is 225906619. The next prime is 225906673. The reversal of 225906671 is 176609522.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225906671 is a prime.

Together with 225906673, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225906673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112953335 + 112953336.

It is an arithmetic number, because the mean of its divisors is an integer number (112953336).

Almost surely, 2^225906671 is an apocalyptic number.

225906671 is a deficient number, since it is larger than the sum of its proper divisors (1).

225906671 is an equidigital number, since it uses as much as digits as its factorization.

225906671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 225906671 is about 15030.1919814752. The cubic root of 225906671 is about 609.0360759221.

The spelling of 225906671 in words is "two hundred twenty-five million, nine hundred six thousand, six hundred seventy-one".