2243221111 has 8 divisors (see below), whose sum is σ = 2500184880. Its totient is φ = 2000147328.

The previous prime is 2243221109. The next prime is 2243221121. The reversal of 2243221111 is 1111223422.

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

It is not a de Polignac number, because 2243221111 - 2¹ = 2243221109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243221121) 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, 3472156 + ... + 3472801.

It is an arithmetic number, because the mean of its divisors is an integer number (312523110).

Almost surely, 2^2243221111 is an apocalyptic number.

2243221111 is a deficient number, since it is larger than the sum of its proper divisors (256963769).

2243221111 is a wasteful number, since it uses less digits than its factorization.

2243221111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6944993.

The product of its digits is 192, while the sum is 19.

The square root of 2243221111 is about 47362.6552359557. The cubic root of 2243221111 is about 1309.0533943872.

Adding to 2243221111 its reverse (1111223422), we get a palindrome (3354444533).

The spelling of 2243221111 in words is "two billion, two hundred forty-three million, two hundred twenty-one thousand, one hundred eleven".