2210222243 has 4 divisors (see below), whose sum is σ = 2212499448. Its totient is φ = 2207945040.

The previous prime is 2210222227. The next prime is 2210222249. The reversal of 2210222243 is 3422220122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2210222243 - 2⁴ = 2210222227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2210222249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1137146 + ... + 1139087.

It is an arithmetic number, because the mean of its divisors is an integer number (553124862).

Almost surely, 2^2210222243 is an apocalyptic number.

2210222243 is a deficient number, since it is larger than the sum of its proper divisors (2277205).

2210222243 is an equidigital number, since it uses as much as digits as its factorization.

2210222243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2277204.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2210222243 is about 47013.0007870164. Note that the first 3 decimals coincide. The cubic root of 2210222243 is about 1302.6027230997.

Adding to 2210222243 its reverse (3422220122), we get a palindrome (5632442365).

The spelling of 2210222243 in words is "two billion, two hundred ten million, two hundred twenty-two thousand, two hundred forty-three".