2112444306 has 32 divisors (see below), whose sum is σ = 5364938880. Its totient is φ = 603555408.

The previous prime is 2112444287. The next prime is 2112444311. The reversal of 2112444306 is 6034442112.

It is a happy number.

2112444306 is a `hidden beast` number, since 211 + 2 + 4 + 443 + 0 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 2112444306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2793861 + ... + 2794616.

It is an arithmetic number, because the mean of its divisors is an integer number (167654340).

Almost surely, 2^2112444306 is an apocalyptic number.

2112444306 is an abundant number, since it is smaller than the sum of its proper divisors (3252494574).

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

2112444306 is a wasteful number, since it uses less digits than its factorization.

2112444306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5588495 (or 5588489 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 2112444306 is about 45961.3349022850. The cubic root of 2112444306 is about 1283.1036958130.

Adding to 2112444306 its reverse (6034442112), we get a palindrome (8146886418).

The spelling of 2112444306 in words is "two billion, one hundred twelve million, four hundred forty-four thousand, three hundred six".