222020243 has 2 divisors, whose sum is σ = 222020244. Its totient is φ = 222020242.

The previous prime is 222020237. The next prime is 222020261. The reversal of 222020243 is 342020222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222020243 - 2⁶ = 222020179 is a prime.

It is not a weakly prime, because it can be changed into another prime (222020213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111010121 + 111010122.

It is an arithmetic number, because the mean of its divisors is an integer number (111010122).

Almost surely, 2^222020243 is an apocalyptic number.

222020243 is a deficient number, since it is larger than the sum of its proper divisors (1).

222020243 is an equidigital number, since it uses as much as digits as its factorization.

222020243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 222020243 is about 14900.3437208676. The cubic root of 222020243 is about 605.5232983494.

Adding to 222020243 its reverse (342020222), we get a palindrome (564040465).

The spelling of 222020243 in words is "two hundred twenty-two million, twenty thousand, two hundred forty-three".