22808273 has 2 divisors, whose sum is σ = 22808274. Its totient is φ = 22808272.

The previous prime is 22808267. The next prime is 22808299. The reversal of 22808273 is 37280822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18215824 + 4592449 = 4268^2 + 2143^2 .

It is a cyclic number.

It is not a de Polignac number, because 22808273 - 2⁴ = 22808257 is a prime.

It is not a weakly prime, because it can be changed into another prime (22808213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11404136 + 11404137.

It is an arithmetic number, because the mean of its divisors is an integer number (11404137).

Almost surely, 2^22808273 is an apocalyptic number.

It is an amenable number.

22808273 is a deficient number, since it is larger than the sum of its proper divisors (1).

22808273 is an equidigital number, since it uses as much as digits as its factorization.

22808273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 22808273 is about 4775.8007705515. The cubic root of 22808273 is about 283.5942803196.

The spelling of 22808273 in words is "twenty-two million, eight hundred eight thousand, two hundred seventy-three".