22201142443 has 4 divisors (see below), whose sum is σ = 22293263608. Its totient is φ = 22109021280.

The previous prime is 22201142441. The next prime is 22201142461. The reversal of 22201142443 is 34424110222.

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 22201142443 - 2¹ = 22201142441 is a prime.

It is a super-3 number, since 3×22201142443³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22201142441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46060221 + ... + 46060702.

It is an arithmetic number, because the mean of its divisors is an integer number (5573315902).

Almost surely, 2^22201142443 is an apocalyptic number.

22201142443 is a deficient number, since it is larger than the sum of its proper divisors (92121165).

22201142443 is an equidigital number, since it uses as much as digits as its factorization.

22201142443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92121164.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 22201142443 its reverse (34424110222), we get a palindrome (56625252665).

The spelling of 22201142443 in words is "twenty-two billion, two hundred one million, one hundred forty-two thousand, four hundred forty-three".