2211223133 has 16 divisors (see below), whose sum is σ = 2677023360. Its totient is φ = 1783005696.

The previous prime is 2211223127. The next prime is 2211223163. The reversal of 2211223133 is 3313221122.

2211223133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2211223133 - 2¹⁴ = 2211206749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211223163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 434558 + ... + 439616.

It is an arithmetic number, because the mean of its divisors is an integer number (167313960).

Almost surely, 2^2211223133 is an apocalyptic number.

It is an amenable number.

2211223133 is a deficient number, since it is larger than the sum of its proper divisors (465800227).

2211223133 is a wasteful number, since it uses less digits than its factorization.

2211223133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8756.

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

The square root of 2211223133 is about 47023.6444036402. The cubic root of 2211223133 is about 1302.7993195116.

Adding to 2211223133 its reverse (3313221122), we get a palindrome (5524444255).

The spelling of 2211223133 in words is "two billion, two hundred eleven million, two hundred twenty-three thousand, one hundred thirty-three".