2221241243 has 4 divisors (see below), whose sum is σ = 2392105968. Its totient is φ = 2050376520.

The previous prime is 2221241237. The next prime is 2221241287. The reversal of 2221241243 is 3421421222.

2221241243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2221241243 - 2⁶ = 2221241179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221240243) 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, 85432343 + ... + 85432368.

It is an arithmetic number, because the mean of its divisors is an integer number (598026492).

Almost surely, 2^2221241243 is an apocalyptic number.

2221241243 is a deficient number, since it is larger than the sum of its proper divisors (170864725).

2221241243 is a wasteful number, since it uses less digits than its factorization.

2221241243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170864724.

The product of its digits is 1536, while the sum is 23.

The square root of 2221241243 is about 47130.0460746645. The cubic root of 2221241243 is about 1304.7638319368.

Adding to 2221241243 its reverse (3421421222), we get a palindrome (5642662465).

The spelling of 2221241243 in words is "two billion, two hundred twenty-one million, two hundred forty-one thousand, two hundred forty-three".