2212123424 has 72 divisors (see below), whose sum is σ = 5100254208. Its totient is φ = 941673600.

The previous prime is 2212123421. The next prime is 2212123439. The reversal of 2212123424 is 4243212122.

It is a self number, because there is not a number n which added to its sum of digits gives 2212123424.

It is not an unprimeable number, because it can be changed into a prime (2212123421) 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 11 ways as a sum of consecutive naturals, for example, 232097 + ... + 241439.

It is an arithmetic number, because the mean of its divisors is an integer number (70836864).

Almost surely, 2^2212123424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2212123424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2550127104).

2212123424 is an abundant number, since it is smaller than the sum of its proper divisors (2888130784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2212123424 is a wasteful number, since it uses less digits than its factorization.

2212123424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9518 (or 9503 counting only the distinct ones).

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

The square root of 2212123424 is about 47033.2161775059. The cubic root of 2212123424 is about 1302.9761054332.

Adding to 2212123424 its reverse (4243212122), we get a palindrome (6455335546).

The spelling of 2212123424 in words is "two billion, two hundred twelve million, one hundred twenty-three thousand, four hundred twenty-four".