22128283 has 2 divisors, whose sum is σ = 22128284. Its totient is φ = 22128282.

The previous prime is 22128259. The next prime is 22128287. The reversal of 22128283 is 38282122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22128283 - 2⁵ = 22128251 is a prime.

It is not a weakly prime, because it can be changed into another prime (22128287) 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, 11064141 + 11064142.

It is an arithmetic number, because the mean of its divisors is an integer number (11064142).

Almost surely, 2^22128283 is an apocalyptic number.

22128283 is a deficient number, since it is larger than the sum of its proper divisors (1).

22128283 is an equidigital number, since it uses as much as digits as its factorization.

22128283 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3072, while the sum is 28.

The square root of 22128283 is about 4704.0708965746. The cubic root of 22128283 is about 280.7475051894.

The spelling of 22128283 in words is "twenty-two million, one hundred twenty-eight thousand, two hundred eighty-three".