22248911 has 2 divisors, whose sum is σ = 22248912. Its totient is φ = 22248910.

The previous prime is 22248901. The next prime is 22248929. The reversal of 22248911 is 11984222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22248911 - 2²² = 18054607 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22248901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11124455 + 11124456.

It is an arithmetic number, because the mean of its divisors is an integer number (11124456).

Almost surely, 2^22248911 is an apocalyptic number.

22248911 is a deficient number, since it is larger than the sum of its proper divisors (1).

22248911 is an equidigital number, since it uses as much as digits as its factorization.

22248911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 29.

The square root of 22248911 is about 4716.8751308467. The cubic root of 22248911 is about 281.2567276745.

The spelling of 22248911 in words is "twenty-two million, two hundred forty-eight thousand, nine hundred eleven".