2213333321 has 4 divisors (see below), whose sum is σ = 2221323972. Its totient is φ = 2205342672.

The previous prime is 2213333231. The next prime is 2213333323. The reversal of 2213333321 is 1233333122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1124663296 + 1088670025 = 33536^2 + 32995^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2213333321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2213333323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3994910 + ... + 3995463.

It is an arithmetic number, because the mean of its divisors is an integer number (555330993).

Almost surely, 2^2213333321 is an apocalyptic number.

It is an amenable number.

2213333321 is a deficient number, since it is larger than the sum of its proper divisors (7990651).

2213333321 is an equidigital number, since it uses as much as digits as its factorization.

2213333321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7990650.

The product of its digits is 1944, while the sum is 23.

The square root of 2213333321 is about 47046.0765739291. The cubic root of 2213333321 is about 1303.2136117044.

Adding to 2213333321 its reverse (1233333122), we get a palindrome (3446666443).

The spelling of 2213333321 in words is "two billion, two hundred thirteen million, three hundred thirty-three thousand, three hundred twenty-one".