2221244111 has 8 divisors (see below), whose sum is σ = 2293997760. Its totient is φ = 2149552768.

The previous prime is 2221244107. The next prime is 2221244149. The reversal of 2221244111 is 1114421222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2221244111 - 2² = 2221244107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221249111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261326 + ... + 269691.

It is an arithmetic number, because the mean of its divisors is an integer number (286749720).

Almost surely, 2^2221244111 is an apocalyptic number.

2221244111 is a deficient number, since it is larger than the sum of its proper divisors (72753649).

2221244111 is an equidigital number, since it uses as much as digits as its factorization.

2221244111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531153.

The product of its digits is 256, while the sum is 20.

The square root of 2221244111 is about 47130.0765011049. The cubic root of 2221244111 is about 1304.7643934939.

Adding to 2221244111 its reverse (1114421222), we get a palindrome (3335665333).

The spelling of 2221244111 in words is "two billion, two hundred twenty-one million, two hundred forty-four thousand, one hundred eleven".