2221111233 has 32 divisors (see below), whose sum is σ = 3594441600. Its totient is φ = 1344340800.

The previous prime is 2221111201. The next prime is 2221111241. The reversal of 2221111233 is 3321111222.

It is not a de Polignac number, because 2221111233 - 2⁵ = 2221111201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2221111133) 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, 239283 + ... + 248391.

It is an arithmetic number, because the mean of its divisors is an integer number (112326300).

Almost surely, 2^2221111233 is an apocalyptic number.

It is an amenable number.

2221111233 is a deficient number, since it is larger than the sum of its proper divisors (1373330367).

2221111233 is a wasteful number, since it uses less digits than its factorization.

2221111233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9950 (or 9944 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 2221111233 is about 47128.6667857261. Note that the first 3 decimals coincide. The cubic root of 2221111233 is about 1304.7383753509.

Adding to 2221111233 its reverse (3321111222), we get a palindrome (5542222455).

The spelling of 2221111233 in words is "two billion, two hundred twenty-one million, one hundred eleven thousand, two hundred thirty-three".