22033420443 has 8 divisors (see below), whose sum is σ = 32642104400. Its totient is φ = 14688946944.

The previous prime is 22033420439. The next prime is 22033420463. The reversal of 22033420443 is 34402433022.

It is not a de Polignac number, because 22033420443 - 2² = 22033420439 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 816052609 = 22033420443 / (2 + 2 + 0 + 3 + 3 + 4 + 2 + 0 + 4 + 4 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22033420463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 408026278 + ... + 408026331.

It is an arithmetic number, because the mean of its divisors is an integer number (4080263050).

Almost surely, 2^22033420443 is an apocalyptic number.

22033420443 is a deficient number, since it is larger than the sum of its proper divisors (10608683957).

22033420443 is an equidigital number, since it uses as much as digits as its factorization.

22033420443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816052618 (or 816052612 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

Adding to 22033420443 its reverse (34402433022), we get a palindrome (56435853465).

The spelling of 22033420443 in words is "twenty-two billion, thirty-three million, four hundred twenty thousand, four hundred forty-three".