2213211233 has 4 divisors (see below), whose sum is σ = 2215947780. Its totient is φ = 2210474688.

The previous prime is 2213211227. The next prime is 2213211239. The reversal of 2213211233 is 3321123122.

2213211233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (2213211227) and next prime (2213211239).

It can be written as a sum of positive squares in 2 ways, for example, as 1456796224 + 756415009 = 38168^2 + 27503^2 .

It is a cyclic number.

It is not a de Polignac number, because 2213211233 - 2¹² = 2213207137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2213211239) 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, 1367060 + ... + 1368677.

It is an arithmetic number, because the mean of its divisors is an integer number (553986945).

Almost surely, 2^2213211233 is an apocalyptic number.

It is an amenable number.

2213211233 is a deficient number, since it is larger than the sum of its proper divisors (2736547).

2213211233 is an equidigital number, since it uses as much as digits as its factorization.

2213211233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2736546.

The product of its digits is 432, while the sum is 20.

The square root of 2213211233 is about 47044.7790195682. The cubic root of 2213211233 is about 1303.1896494047.

Adding to 2213211233 its reverse (3321123122), we get a palindrome (5534334355).

The spelling of 2213211233 in words is "two billion, two hundred thirteen million, two hundred eleven thousand, two hundred thirty-three".