210022243 has 2 divisors, whose sum is σ = 210022244. Its totient is φ = 210022242.

The previous prime is 210022229. The next prime is 210022247. The reversal of 210022243 is 342220012.

210022243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210022243 is a prime.

It is not a weakly prime, because it can be changed into another prime (210022247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105011121 + 105011122.

It is an arithmetic number, because the mean of its divisors is an integer number (105011122).

Almost surely, 2^210022243 is an apocalyptic number.

210022243 is a deficient number, since it is larger than the sum of its proper divisors (1).

210022243 is an equidigital number, since it uses as much as digits as its factorization.

210022243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 210022243 is about 14492.1441822803. The cubic root of 210022243 is about 594.4131803538.

Adding to 210022243 its reverse (342220012), we get a palindrome (552242255).

The spelling of 210022243 in words is "two hundred ten million, twenty-two thousand, two hundred forty-three".