3111222223 has 8 divisors (see below), whose sum is σ = 3192933536. Its totient is φ = 3030501600.

The previous prime is 3111222181. The next prime is 3111222227. The reversal of 3111222223 is 3222221113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3111222223 - 2¹³ = 3111214031 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3111222223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3111222227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241308 + ... + 253873.

It is an arithmetic number, because the mean of its divisors is an integer number (399116692).

Almost surely, 2^3111222223 is an apocalyptic number.

3111222223 is a deficient number, since it is larger than the sum of its proper divisors (81711313).

3111222223 is a wasteful number, since it uses less digits than its factorization.

3111222223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495345.

The product of its digits is 288, while the sum is 19.

The square root of 3111222223 is about 55778.3311241919. The cubic root of 3111222223 is about 1459.8570922549.

Adding to 3111222223 its reverse (3222221113), we get a palindrome (6333443336).

It can be divided in two parts, 31112 and 22223, that added together give a palindrome (53335).

The spelling of 3111222223 in words is "three billion, one hundred eleven million, two hundred twenty-two thousand, two hundred twenty-three".