2220022243 has 2 divisors, whose sum is σ = 2220022244. Its totient is φ = 2220022242.

The previous prime is 2220022201. The next prime is 2220022379. The reversal of 2220022243 is 3422200222.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2220022243 - 2¹⁷ = 2219891171 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2220022243.

It is not a weakly prime, because it can be changed into another prime (2220022543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110011121 + 1110011122.

It is an arithmetic number, because the mean of its divisors is an integer number (1110011122).

Almost surely, 2^2220022243 is an apocalyptic number.

2220022243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220022243 is an equidigital number, since it uses as much as digits as its factorization.

2220022243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 2220022243 is about 47117.1119976596. Note that the first 3 decimals coincide. The cubic root of 2220022243 is about 1304.5251068310.

Adding to 2220022243 its reverse (3422200222), we get a palindrome (5642222465).

The spelling of 2220022243 in words is "two billion, two hundred twenty million, twenty-two thousand, two hundred forty-three".