2221233443 has 32 divisors (see below), whose sum is σ = 2671704000. Its totient is φ = 1820044800.

The previous prime is 2221233439. The next prime is 2221233461. The reversal of 2221233443 is 3443321222.

It is not a de Polignac number, because 2221233443 - 2² = 2221233439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221233643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1298873 + ... + 1300581.

It is an arithmetic number, because the mean of its divisors is an integer number (83490750).

Almost surely, 2^2221233443 is an apocalyptic number.

2221233443 is a deficient number, since it is larger than the sum of its proper divisors (450470557).

2221233443 is a wasteful number, since it uses less digits than its factorization.

2221233443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1943.

The product of its digits is 6912, while the sum is 26.

The square root of 2221233443 is about 47129.9633248319. The cubic root of 2221233443 is about 1304.7623046872.

Adding to 2221233443 its reverse (3443321222), we get a palindrome (5664554665).

It can be divided in two parts, 22212 and 33443, that added together give a palindrome (55655).

The spelling of 2221233443 in words is "two billion, two hundred twenty-one million, two hundred thirty-three thousand, four hundred forty-three".