2223216344 has 16 divisors (see below), whose sum is σ = 4413738600. Its totient is φ = 1046219392.

The previous prime is 2223216323. The next prime is 2223216371. The reversal of 2223216344 is 4436123222.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8173454 + ... + 8173725.

Almost surely, 2^2223216344 is an apocalyptic number.

It is an amenable number.

2223216344 is a deficient number, since it is larger than the sum of its proper divisors (2190522256).

2223216344 is a wasteful number, since it uses less digits than its factorization.

2223216344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16347202 (or 16347198 counting only the distinct ones).

The product of its digits is 13824, while the sum is 29.

The square root of 2223216344 is about 47150.9951538671. The cubic root of 2223216344 is about 1305.1504441385.

Adding to 2223216344 its reverse (4436123222), we get a palindrome (6659339566).

The spelling of 2223216344 in words is "two billion, two hundred twenty-three million, two hundred sixteen thousand, three hundred forty-four".