225667 has 4 divisors (see below), whose sum is σ = 243040. Its totient is φ = 208296.

The previous prime is 225637. The next prime is 225671. The reversal of 225667 is 766522.

225667 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 766522 = 2 ⋅383261.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225667 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (225637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8667 + ... + 8692.

It is an arithmetic number, because the mean of its divisors is an integer number (60760).

2²²⁵⁶⁶⁷ is an apocalyptic number.

225667 is a deficient number, since it is larger than the sum of its proper divisors (17373).

225667 is a wasteful number, since it uses less digits than its factorization.

225667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17372.

The product of its digits is 5040, while the sum is 28.

The square root of 225667 is about 475.0442084691. The cubic root of 225667 is about 60.8820618309.

The spelling of 225667 in words is "two hundred twenty-five thousand, six hundred sixty-seven".