2196821033 has 4 divisors (see below), whose sum is σ = 2396532048. Its totient is φ = 1997110020.

The previous prime is 2196821027. The next prime is 2196821051. The reversal of 2196821033 is 3301286912.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2196821033 - 2¹⁶ = 2196755497 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2196820984 and 2196821002.

It is not an unprimeable number, because it can be changed into a prime (2196821063) 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 in 3 ways as a sum of consecutive naturals, for example, 99855491 + ... + 99855512.

It is an arithmetic number, because the mean of its divisors is an integer number (599133012).

Almost surely, 2^2196821033 is an apocalyptic number.

It is an amenable number.

2196821033 is a deficient number, since it is larger than the sum of its proper divisors (199711015).

2196821033 is a wasteful number, since it uses less digits than its factorization.

2196821033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199711014.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 2196821033 is about 46870.2574454205. The cubic root of 2196821033 is about 1299.9646998304.

The spelling of 2196821033 in words is "two billion, one hundred ninety-six million, eight hundred twenty-one thousand, thirty-three".