2011044223 has 16 divisors (see below), whose sum is σ = 2178459360. Its totient is φ = 1849568256.

The previous prime is 2011044193. The next prime is 2011044271. The reversal of 2011044223 is 3224401102.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2011044223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2011044223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011044283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127836 + ... + 142702.

It is an arithmetic number, because the mean of its divisors is an integer number (136153710).

Almost surely, 2^2011044223 is an apocalyptic number.

2011044223 is a deficient number, since it is larger than the sum of its proper divisors (167415137).

2011044223 is a wasteful number, since it uses less digits than its factorization.

2011044223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15066.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2011044223 is about 44844.6677209231. The cubic root of 2011044223 is about 1262.2359355966.

Adding to 2011044223 its reverse (3224401102), we get a palindrome (5235445325).

The spelling of 2011044223 in words is "two billion, eleven million, forty-four thousand, two hundred twenty-three".