22124212443 has 24 divisors (see below), whose sum is σ = 32164055040. Its totient is φ = 14654193840.

The previous prime is 22124212387. The next prime is 22124212447. The reversal of 22124212443 is 34421242122.

It is a happy number.

22124212443 is a `hidden beast` number, since 2 + 2 + 1 + 2 + 4 + 212 + 443 = 666.

It is not a de Polignac number, because 22124212443 - 2⁹ = 22124211931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22124212447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1469130 + ... + 1484112.

It is an arithmetic number, because the mean of its divisors is an integer number (1340168960).

Almost surely, 2^22124212443 is an apocalyptic number.

22124212443 is a deficient number, since it is larger than the sum of its proper divisors (10039842597).

22124212443 is a wasteful number, since it uses less digits than its factorization.

22124212443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16039 (or 16036 counting only the distinct ones).

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

Adding to 22124212443 its reverse (34421242122), we get a palindrome (56545454565).

The spelling of 22124212443 in words is "twenty-two billion, one hundred twenty-four million, two hundred twelve thousand, four hundred forty-three".