222302243 has 2 divisors, whose sum is σ = 222302244. Its totient is φ = 222302242.

The previous prime is 222302231. The next prime is 222302263. The reversal of 222302243 is 342203222.

It is an a-pointer prime, because the next prime (222302263) can be obtained adding 222302243 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222302243 - 2¹⁴ = 222285859 is a prime.

It is a Sophie Germain prime.

It is equal to p_12242405 and since 222302243 and 12242405 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (222302203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111151121 + 111151122.

It is an arithmetic number, because the mean of its divisors is an integer number (111151122).

Almost surely, 2^222302243 is an apocalyptic number.

222302243 is a deficient number, since it is larger than the sum of its proper divisors (1).

222302243 is an equidigital number, since it uses as much as digits as its factorization.

222302243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 222302243 is about 14909.8035869021. The cubic root of 222302243 is about 605.7795592540.

Adding to 222302243 its reverse (342203222), we get a palindrome (564505465).

The spelling of 222302243 in words is "two hundred twenty-two million, three hundred two thousand, two hundred forty-three".