993332233 has 2 divisors, whose sum is σ = 993332234. Its totient is φ = 993332232.

The previous prime is 993332231. The next prime is 993332237. The reversal of 993332233 is 332233399.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 701879049 + 291453184 = 26493^2 + 17072^2 .

It is an emirp because it is prime and its reverse (332233399) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 993332233 - 2¹ = 993332231 is a prime.

Together with 993332231, it forms a pair of twin primes.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 993332192 and 993332201.

It is not a weakly prime, because it can be changed into another prime (993332231) 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, 496666116 + 496666117.

It is an arithmetic number, because the mean of its divisors is an integer number (496666117).

Almost surely, 2^993332233 is an apocalyptic number.

It is an amenable number.

993332233 is a deficient number, since it is larger than the sum of its proper divisors (1).

993332233 is an equidigital number, since it uses as much as digits as its factorization.

993332233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 78732, while the sum is 37.

The square root of 993332233 is about 31517.1736201075. The cubic root of 993332233 is about 997.7724527174.

The spelling of 993332233 in words is "nine hundred ninety-three million, three hundred thirty-two thousand, two hundred thirty-three".