996222968 has 64 divisors (see below), whose sum is σ = 2067394560. Its totient is φ = 447140736.

The previous prime is 996222959. The next prime is 996223003. The reversal of 996222968 is 869222699.

It is a happy number.

It is a Cunningham number, because it is equal to 31563²-1.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 1640921 + ... + 1641527.

It is an arithmetic number, because the mean of its divisors is an integer number (32303040).

Almost surely, 2^996222968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 996222968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1033697280).

996222968 is an abundant number, since it is smaller than the sum of its proper divisors (1071171592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

996222968 is a wasteful number, since it uses less digits than its factorization.

996222968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036 (or 1032 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 53.

The square root of 996222968 is about 31562.9999841587. Note that the first 4 decimals coincide. The cubic root of 996222968 is about 998.7394008910.

The spelling of 996222968 in words is "nine hundred ninety-six million, two hundred twenty-two thousand, nine hundred sixty-eight".