2221242243 has 32 divisors (see below), whose sum is σ = 3321285120. Its totient is φ = 1309002240.

The previous prime is 2221242193. The next prime is 2221242307. The reversal of 2221242243 is 3422421222.

It is not a de Polignac number, because 2221242243 - 2¹² = 2221238147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2221242343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 192018 + ... + 203256.

It is an arithmetic number, because the mean of its divisors is an integer number (103790160).

Almost surely, 2^2221242243 is an apocalyptic number.

2221242243 is a deficient number, since it is larger than the sum of its proper divisors (1100042877).

2221242243 is a wasteful number, since it uses less digits than its factorization.

2221242243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11419.

The product of its digits is 3072, while the sum is 24.

The square root of 2221242243 is about 47130.0566836069. The cubic root of 2221242243 is about 1304.7640277378.

Adding to 2221242243 its reverse (3422421222), we get a palindrome (5643663465).

The spelling of 2221242243 in words is "two billion, two hundred twenty-one million, two hundred forty-two thousand, two hundred forty-three".