2011322244 has 12 divisors (see below), whose sum is σ = 4693085264. Its totient is φ = 670440744.

The previous prime is 2011322237. The next prime is 2011322267. The reversal of 2011322244 is 4422231102.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 2011322244.

It is an unprimeable number.

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, 83805082 + ... + 83805105.

Almost surely, 2^2011322244 is an apocalyptic number.

It is an amenable number.

2011322244 is an abundant number, since it is smaller than the sum of its proper divisors (2681763020).

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

2011322244 is a wasteful number, since it uses less digits than its factorization.

2011322244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167610194 (or 167610192 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2011322244 is about 44847.7674360720. The cubic root of 2011322244 is about 1262.2940997289.

Adding to 2011322244 its reverse (4422231102), we get a palindrome (6433553346).

The spelling of 2011322244 in words is "two billion, eleven million, three hundred twenty-two thousand, two hundred forty-four".