8223425239 has 2 divisors, whose sum is σ = 8223425240. Its totient is φ = 8223425238.

The previous prime is 8223425233. The next prime is 8223425257. The reversal of 8223425239 is 9325243228.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8223425239 - 2²⁹ = 7686554327 is a prime.

It is a super-2 number, since 2×8223425239² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8223425233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4111712619 + 4111712620.

It is an arithmetic number, because the mean of its divisors is an integer number (4111712620).

Almost surely, 2^8223425239 is an apocalyptic number.

8223425239 is a deficient number, since it is larger than the sum of its proper divisors (1).

8223425239 is an equidigital number, since it uses as much as digits as its factorization.

8223425239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 40.

The square root of 8223425239 is about 90683.1033820524. The cubic root of 8223425239 is about 2018.4480808673.

The spelling of 8223425239 in words is "eight billion, two hundred twenty-three million, four hundred twenty-five thousand, two hundred thirty-nine".