2216491833 has 4 divisors (see below), whose sum is σ = 2955322448. Its totient is φ = 1477661220.

The previous prime is 2216491831. The next prime is 2216491859. The reversal of 2216491833 is 3381946122.

2216491833 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 2216491833 - 2¹ = 2216491831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2216491791 and 2216491800.

It is not an unprimeable number, because it can be changed into a prime (2216491831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 369415303 + ... + 369415308.

It is an arithmetic number, because the mean of its divisors is an integer number (738830612).

Almost surely, 2^2216491833 is an apocalyptic number.

It is an amenable number.

2216491833 is a deficient number, since it is larger than the sum of its proper divisors (738830615).

2216491833 is an equidigital number, since it uses as much as digits as its factorization.

2216491833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738830614.

The product of its digits is 62208, while the sum is 39.

The square root of 2216491833 is about 47079.6328893928. The cubic root of 2216491833 is about 1303.8332290847.

The spelling of 2216491833 in words is "two billion, two hundred sixteen million, four hundred ninety-one thousand, eight hundred thirty-three".