2021224343 has 4 divisors (see below), whose sum is σ = 2029611408. Its totient is φ = 2012837280.

The previous prime is 2021224319. The next prime is 2021224357. The reversal of 2021224343 is 3434221202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3434221202 = 2 ⋅1717110601.

It is a cyclic number.

It is not a de Polignac number, because 2021224343 - 2⁶ = 2021224279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021224363) 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, 4193171 + ... + 4193652.

It is an arithmetic number, because the mean of its divisors is an integer number (507402852).

Almost surely, 2^2021224343 is an apocalyptic number.

2021224343 is a deficient number, since it is larger than the sum of its proper divisors (8387065).

2021224343 is an equidigital number, since it uses as much as digits as its factorization.

2021224343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8387064.

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

The square root of 2021224343 is about 44958.0286823166. The cubic root of 2021224343 is about 1264.3622093854.

Adding to 2021224343 its reverse (3434221202), we get a palindrome (5455445545).

The spelling of 2021224343 in words is "two billion, twenty-one million, two hundred twenty-four thousand, three hundred forty-three".