2213021443 has 4 divisors (see below), whose sum is σ = 2218278448. Its totient is φ = 2207764440.

The previous prime is 2213021423. The next prime is 2213021471. The reversal of 2213021443 is 3441203122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2213021443 - 2¹⁷ = 2212890371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2213021423) 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, 2627871 + ... + 2628712.

It is an arithmetic number, because the mean of its divisors is an integer number (554569612).

Almost surely, 2^2213021443 is an apocalyptic number.

2213021443 is a deficient number, since it is larger than the sum of its proper divisors (5257005).

2213021443 is an equidigital number, since it uses as much as digits as its factorization.

2213021443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5257004.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2213021443 is about 47042.7618555714. The cubic root of 2213021443 is about 1303.1523974350.

Adding to 2213021443 its reverse (3441203122), we get a palindrome (5654224565).

The spelling of 2213021443 in words is "two billion, two hundred thirteen million, twenty-one thousand, four hundred forty-three".