2122312229 has 4 divisors (see below), whose sum is σ = 2129974284. Its totient is φ = 2114650176.

The previous prime is 2122312223. The next prime is 2122312243. The reversal of 2122312229 is 9222132212.

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

It can be written as a sum of positive squares in 2 ways, for example, as 166461604 + 1955850625 = 12902^2 + 44225^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122312229 - 2²⁰ = 2121263653 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2122312198 and 2122312207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122312223) 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, 3830612 + ... + 3831165.

It is an arithmetic number, because the mean of its divisors is an integer number (532493571).

Almost surely, 2^2122312229 is an apocalyptic number.

It is an amenable number.

2122312229 is a deficient number, since it is larger than the sum of its proper divisors (7662055).

2122312229 is an equidigital number, since it uses as much as digits as its factorization.

2122312229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7662054.

The product of its digits is 1728, while the sum is 26.

The square root of 2122312229 is about 46068.5600925403. The cubic root of 2122312229 is about 1285.0985261603.

The spelling of 2122312229 in words is "two billion, one hundred twenty-two million, three hundred twelve thousand, two hundred twenty-nine".