22212142443 has 12 divisors (see below), whose sum is σ = 32092705008. Its totient is φ = 14804172240.

The previous prime is 22212142427. The next prime is 22212142501. The reversal of 22212142443 is 34424121222.

It is a happy number.

22212142443 is a `hidden beast` number, since 2 + 2 + 2 + 1 + 214 + 2 + 443 = 666.

It is not a de Polignac number, because 22212142443 - 2⁴ = 22212142427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22212142243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 290823 + ... + 359168.

It is an arithmetic number, because the mean of its divisors is an integer number (2674392084).

Almost surely, 2^22212142443 is an apocalyptic number.

22212142443 is a deficient number, since it is larger than the sum of its proper divisors (9880562565).

22212142443 is a wasteful number, since it uses less digits than its factorization.

22212142443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653794 (or 653791 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

Adding to 22212142443 its reverse (34424121222), we get a palindrome (56636263665).

The spelling of 22212142443 in words is "twenty-two billion, two hundred twelve million, one hundred forty-two thousand, four hundred forty-three".