2211331223 has 4 divisors (see below), whose sum is σ = 2217491280. Its totient is φ = 2205171168.

The previous prime is 2211331211. The next prime is 2211331231. The reversal of 2211331223 is 3221331122.

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

It is a cyclic number.

It is not a de Polignac number, because 2211331223 - 2¹² = 2211327127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2211331195 and 2211331204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211301223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3079490 + ... + 3080207.

It is an arithmetic number, because the mean of its divisors is an integer number (554372820).

Almost surely, 2^2211331223 is an apocalyptic number.

2211331223 is a deficient number, since it is larger than the sum of its proper divisors (6160057).

2211331223 is an equidigital number, since it uses as much as digits as its factorization.

2211331223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6160056.

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

The square root of 2211331223 is about 47024.7937050233. The cubic root of 2211331223 is about 1302.8205471725.

Adding to 2211331223 its reverse (3221331122), we get a palindrome (5432662345).

The spelling of 2211331223 in words is "two billion, two hundred eleven million, three hundred thirty-one thousand, two hundred twenty-three".