2011322444 has 24 divisors (see below), whose sum is σ = 3724492800. Its totient is φ = 947736720.

The previous prime is 2011322441. The next prime is 2011322491. The reversal of 2011322444 is 4442231102.

It is not an unprimeable number, because it can be changed into a prime (2011322441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54764 + ... + 83795.

It is an arithmetic number, because the mean of its divisors is an integer number (155187200).

Almost surely, 2^2011322444 is an apocalyptic number.

It is an amenable number.

2011322444 is a deficient number, since it is larger than the sum of its proper divisors (1713170356).

2011322444 is a wasteful number, since it uses less digits than its factorization.

2011322444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138773 (or 138771 counting only the distinct ones).

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

The square root of 2011322444 is about 44847.7696658373. The cubic root of 2011322444 is about 1262.2941415685.

Adding to 2011322444 its reverse (4442231102), we get a palindrome (6453553546).

The spelling of 2011322444 in words is "two billion, eleven million, three hundred twenty-two thousand, four hundred forty-four".