22567243 has 2 divisors, whose sum is σ = 22567244. Its totient is φ = 22567242.

The previous prime is 22567229. The next prime is 22567247. The reversal of 22567243 is 34276522.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22567243 is a prime.

It is not a weakly prime, because it can be changed into another prime (22567247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11283621 + 11283622.

It is an arithmetic number, because the mean of its divisors is an integer number (11283622).

Almost surely, 2^22567243 is an apocalyptic number.

22567243 is a deficient number, since it is larger than the sum of its proper divisors (1).

22567243 is an equidigital number, since it uses as much as digits as its factorization.

22567243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 31.

The square root of 22567243 is about 4750.4992369224. The cubic root of 22567243 is about 282.5917648998.

The spelling of 22567243 in words is "twenty-two million, five hundred sixty-seven thousand, two hundred forty-three".