2220443213 has 4 divisors (see below), whose sum is σ = 2234065728. Its totient is φ = 2206820700.

The previous prime is 2220443201. The next prime is 2220443221. The reversal of 2220443213 is 3123440222.

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 2220443213 - 2⁸ = 2220442957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220446213) 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, 6811013 + ... + 6811338.

It is an arithmetic number, because the mean of its divisors is an integer number (558516432).

Almost surely, 2^2220443213 is an apocalyptic number.

It is an amenable number.

2220443213 is a deficient number, since it is larger than the sum of its proper divisors (13622515).

2220443213 is a wasteful number, since it uses less digits than its factorization.

2220443213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13622514.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 2220443213 is about 47121.5790588558. The cubic root of 2220443213 is about 1304.6075581409.

Adding to 2220443213 its reverse (3123440222), we get a palindrome (5343883435).

The spelling of 2220443213 in words is "two billion, two hundred twenty million, four hundred forty-three thousand, two hundred thirteen".