22021410443 has 4 divisors (see below), whose sum is σ = 22067384640. Its totient is φ = 21975436248.

The previous prime is 22021410413. The next prime is 22021410451. The reversal of 22021410443 is 34401412022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34401412022 = 2 ⋅17200706011.

It is a cyclic number.

It is not a de Polignac number, because 22021410443 - 2⁶ = 22021410379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22021410413) 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, 22986380 + ... + 22987337.

It is an arithmetic number, because the mean of its divisors is an integer number (5516846160).

Almost surely, 2^22021410443 is an apocalyptic number.

22021410443 is a deficient number, since it is larger than the sum of its proper divisors (45974197).

22021410443 is an equidigital number, since it uses as much as digits as its factorization.

22021410443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45974196.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 22021410443 its reverse (34401412022), we get a palindrome (56422822465).

The spelling of 22021410443 in words is "twenty-two billion, twenty-one million, four hundred ten thousand, four hundred forty-three".