2021224443 has 32 divisors (see below), whose sum is σ = 3161249280. Its totient is φ = 1124893440.

The previous prime is 2021224433. The next prime is 2021224453. The reversal of 2021224443 is 3444221202.

It is an interprime number because it is at equal distance from previous prime (2021224433) and next prime (2021224453).

It is not a de Polignac number, because 2021224443 - 2⁵ = 2021224411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2021224433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117153 + ... + 133293.

It is an arithmetic number, because the mean of its divisors is an integer number (98789040).

Almost surely, 2^2021224443 is an apocalyptic number.

2021224443 is a deficient number, since it is larger than the sum of its proper divisors (1140024837).

2021224443 is a wasteful number, since it uses less digits than its factorization.

2021224443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16307.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 2021224443 is about 44958.0297944650. The cubic root of 2021224443 is about 1264.3622302368.

Adding to 2021224443 its reverse (3444221202), we get a palindrome (5465445645).

The spelling of 2021224443 in words is "two billion, twenty-one million, two hundred twenty-four thousand, four hundred forty-three".