22224263 has 2 divisors, whose sum is σ = 22224264. Its totient is φ = 22224262.

The previous prime is 22224259. The next prime is 22224269. The reversal of 22224263 is 36242222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22224263 - 2² = 22224259 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22224269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11112131 + 11112132.

It is an arithmetic number, because the mean of its divisors is an integer number (11112132).

Almost surely, 2^22224263 is an apocalyptic number.

22224263 is a deficient number, since it is larger than the sum of its proper divisors (1).

22224263 is an equidigital number, since it uses as much as digits as its factorization.

22224263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 23.

The square root of 22224263 is about 4714.2616601118. The cubic root of 22224263 is about 281.1528277970.

Adding to 22224263 its reverse (36242222), we get a palindrome (58466485).

The spelling of 22224263 in words is "twenty-two million, two hundred twenty-four thousand, two hundred sixty-three".