2223216839 has 2 divisors, whose sum is σ = 2223216840. Its totient is φ = 2223216838.

The previous prime is 2223216773. The next prime is 2223216857. The reversal of 2223216839 is 9386123222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2223216839 - 2²⁴ = 2206439623 is a prime.

It is a super-2 number, since 2×2223216839² = 9885386226426303842, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2223216139) by changing a digit.

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 as a sum of consecutive naturals, namely, 1111608419 + 1111608420.

It is an arithmetic number, because the mean of its divisors is an integer number (1111608420).

Almost surely, 2^2223216839 is an apocalyptic number.

2223216839 is a deficient number, since it is larger than the sum of its proper divisors (1).

2223216839 is an equidigital number, since it uses as much as digits as its factorization.

2223216839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 38.

The square root of 2223216839 is about 47151.0004029607. Note that the first 3 decimals coincide. The cubic root of 2223216839 is about 1305.1505410025.

Subtracting from 2223216839 its sum of digits (38), we obtain a square (2223216801 = 47151²).

The spelling of 2223216839 in words is "two billion, two hundred twenty-three million, two hundred sixteen thousand, eight hundred thirty-nine".