993995822 has 16 divisors (see below), whose sum is σ = 1544121360. Its totient is φ = 479326848.

The previous prime is 993995789. The next prime is 993995879. The reversal of 993995822 is 228599399.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45878 + ... + 63974.

It is an arithmetic number, because the mean of its divisors is an integer number (96507585).

Almost surely, 2^993995822 is an apocalyptic number.

993995822 is a deficient number, since it is larger than the sum of its proper divisors (550125538).

993995822 is a wasteful number, since it uses less digits than its factorization.

993995822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19075.

The product of its digits is 3149280, while the sum is 56.

The square root of 993995822 is about 31527.6992817427. The cubic root of 993995822 is about 997.9945883458.

The spelling of 993995822 in words is "nine hundred ninety-three million, nine hundred ninety-five thousand, eight hundred twenty-two".