996222959 has 2 divisors, whose sum is σ = 996222960. Its totient is φ = 996222958.

The previous prime is 996222949. The next prime is 996223003. The reversal of 996222959 is 959222699.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (959222699) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 996222959 - 2¹² = 996218863 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 996222959.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (996222919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498111479 + 498111480.

It is an arithmetic number, because the mean of its divisors is an integer number (498111480).

Almost surely, 2^996222959 is an apocalyptic number.

996222959 is a deficient number, since it is larger than the sum of its proper divisors (1).

996222959 is an equidigital number, since it uses as much as digits as its factorization.

996222959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1574640, while the sum is 53.

The square root of 996222959 is about 31562.9998415867. Note that the first 3 decimals coincide. The cubic root of 996222959 is about 998.7393978834.

The spelling of 996222959 in words is "nine hundred ninety-six million, two hundred twenty-two thousand, nine hundred fifty-nine".