2221113333 has 4 divisors (see below), whose sum is σ = 2961484448. Its totient is φ = 1480742220.

The previous prime is 2221113329. The next prime is 2221113343. The reversal of 2221113333 is 3333111222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2221113333 - 2² = 2221113329 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221113343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370185553 + ... + 370185558.

It is an arithmetic number, because the mean of its divisors is an integer number (740371112).

Almost surely, 2^2221113333 is an apocalyptic number.

It is an amenable number.

2221113333 is a deficient number, since it is larger than the sum of its proper divisors (740371115).

2221113333 is an equidigital number, since it uses as much as digits as its factorization.

2221113333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740371114.

The product of its digits is 648, while the sum is 21.

The square root of 2221113333 is about 47128.6890651544. The cubic root of 2221113333 is about 1304.7387865490.

Adding to 2221113333 its reverse (3333111222), we get a palindrome (5554224555).

The spelling of 2221113333 in words is "two billion, two hundred twenty-one million, one hundred thirteen thousand, three hundred thirty-three".