22712267 has 2 divisors, whose sum is σ = 22712268. Its totient is φ = 22712266.

The previous prime is 22712231. The next prime is 22712269. The reversal of 22712267 is 76221722.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22712267 - 2²⁴ = 5935051 is a prime.

Together with 22712269, 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 (22712269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11356133 + 11356134.

It is an arithmetic number, because the mean of its divisors is an integer number (11356134).

Almost surely, 2^22712267 is an apocalyptic number.

22712267 is a deficient number, since it is larger than the sum of its proper divisors (1).

22712267 is an equidigital number, since it uses as much as digits as its factorization.

22712267 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4704, while the sum is 29.

The square root of 22712267 is about 4765.7388724100. The cubic root of 22712267 is about 283.1958131556.

Adding to 22712267 its reverse (76221722), we get a palindrome (98933989).

The spelling of 22712267 in words is "twenty-two million, seven hundred twelve thousand, two hundred sixty-seven".