22567 has 2 divisors, whose sum is σ = 22568. Its totient is φ = 22566.

The previous prime is 22549. The next prime is 22571. The reversal of 22567 is 76522.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22567 is a prime.

It is a Chen prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11283 + 11284.

It is an arithmetic number, because the mean of its divisors is an integer number (11284).

2²²⁵⁶⁷ is an apocalyptic number.

22567 is a deficient number, since it is larger than the sum of its proper divisors (1).

22567 is an equidigital number, since it uses as much as digits as its factorization.

22567 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 840, while the sum is 22.

The square root of 22567 is about 150.2231673212. The cubic root of 22567 is about 28.2590750597.

It can be divided in two parts, 225 and 67, that added together give a palindrome (292).

The spelling of 22567 in words is "twenty-two thousand, five hundred sixty-seven".