2123222344 has 32 divisors (see below), whose sum is σ = 4217988600. Its totient is φ = 998507520.

The previous prime is 2123222287. The next prime is 2123222357. The reversal of 2123222344 is 4432223212.

It can be written as a sum of positive squares in 4 ways, for example, as 1777634244 + 345588100 = 42162^2 + 18590^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 248902 + ... + 257290.

Almost surely, 2^2123222344 is an apocalyptic number.

It is an amenable number.

2123222344 is a deficient number, since it is larger than the sum of its proper divisors (2094766256).

2123222344 is a wasteful number, since it uses less digits than its factorization.

2123222344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10273 (or 10269 counting only the distinct ones).

The product of its digits is 4608, while the sum is 25.

The square root of 2123222344 is about 46078.4368658487. The cubic root of 2123222344 is about 1285.2821969516.

Adding to 2123222344 its reverse (4432223212), we get a palindrome (6555445556).

The spelling of 2123222344 in words is "two billion, one hundred twenty-three million, two hundred twenty-two thousand, three hundred forty-four".