22288193 has 2 divisors, whose sum is σ = 22288194. Its totient is φ = 22288192.

The previous prime is 22288183. The next prime is 22288213. The reversal of 22288193 is 39188222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20133169 + 2155024 = 4487^2 + 1468^2 .

It is a cyclic number.

It is not a de Polignac number, because 22288193 - 2⁴ = 22288177 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (22288183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11144096 + 11144097.

It is an arithmetic number, because the mean of its divisors is an integer number (11144097).

Almost surely, 2^22288193 is an apocalyptic number.

It is an amenable number.

22288193 is a deficient number, since it is larger than the sum of its proper divisors (1).

22288193 is an equidigital number, since it uses as much as digits as its factorization.

22288193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 35.

The square root of 22288193 is about 4721.0372800900. The cubic root of 22288193 is about 281.4221564596.

The spelling of 22288193 in words is "twenty-two million, two hundred eighty-eight thousand, one hundred ninety-three".