2211222223 has 8 divisors (see below), whose sum is σ = 2660117120. Its totient is φ = 1795578840.

The previous prime is 2211222217. The next prime is 2211222227. The reversal of 2211222223 is 3222221122.

2211222223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2211222223 - 2⁵ = 2211222191 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

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 2211222223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211222227) 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, 8312733 + ... + 8312998.

It is an arithmetic number, because the mean of its divisors is an integer number (332514640).

Almost surely, 2^2211222223 is an apocalyptic number.

2211222223 is a deficient number, since it is larger than the sum of its proper divisors (448894897).

2211222223 is a wasteful number, since it uses less digits than its factorization.

2211222223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16625757.

The product of its digits is 384, while the sum is 19.

The square root of 2211222223 is about 47023.6347276558. The cubic root of 2211222223 is about 1302.7991407949.

Adding to 2211222223 its reverse (3222221122), we get a palindrome (5433443345).

The spelling of 2211222223 in words is "two billion, two hundred eleven million, two hundred twenty-two thousand, two hundred twenty-three".