22288243 has 2 divisors, whose sum is σ = 22288244. Its totient is φ = 22288242.

The previous prime is 22288237. The next prime is 22288247. The reversal of 22288243 is 34288222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22288243 is a prime.

It is not a weakly prime, because it can be changed into another prime (22288247) 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, 11144121 + 11144122.

It is an arithmetic number, because the mean of its divisors is an integer number (11144122).

Almost surely, 2^22288243 is an apocalyptic number.

22288243 is a deficient number, since it is larger than the sum of its proper divisors (1).

22288243 is an equidigital number, since it uses as much as digits as its factorization.

22288243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12288, while the sum is 31.

The square root of 22288243 is about 4721.0425755335. The cubic root of 22288243 is about 281.4223669013.

The spelling of 22288243 in words is "twenty-two million, two hundred eighty-eight thousand, two hundred forty-three".