2011224544 has 48 divisors (see below), whose sum is σ = 4548096000. Its totient is φ = 857602944.

The previous prime is 2011224487. The next prime is 2011224547. The reversal of 2011224544 is 4454221102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011224547) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 22017 + ... + 67135.

It is an arithmetic number, because the mean of its divisors is an integer number (94752000).

Almost surely, 2^2011224544 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 2011224544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2274048000).

2011224544 is an abundant number, since it is smaller than the sum of its proper divisors (2536871456).

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

2011224544 is a wasteful number, since it uses less digits than its factorization.

2011224544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45335 (or 45327 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 2011224544 is about 44846.6781824474. The cubic root of 2011224544 is about 1262.2736607480.

Adding to 2011224544 its reverse (4454221102), we get a palindrome (6465445646).

The spelling of 2011224544 in words is "two billion, eleven million, two hundred twenty-four thousand, five hundred forty-four".