2211113444 has 6 divisors (see below), whose sum is σ = 3869448534. Its totient is φ = 1105556720.

The previous prime is 2211113417. The next prime is 2211113447. The reversal of 2211113444 is 4443111122.

2211113444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2119681600 + 91431844 = 46040^2 + 9562^2 .

It is a super-2 number, since 2×2211113444² = 9778045324475082272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2211113447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276389177 + ... + 276389184.

It is an arithmetic number, because the mean of its divisors is an integer number (644908089).

Almost surely, 2^2211113444 is an apocalyptic number.

It is an amenable number.

2211113444 is a deficient number, since it is larger than the sum of its proper divisors (1658335090).

2211113444 is a wasteful number, since it uses less digits than its factorization.

2211113444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552778365 (or 552778363 counting only the distinct ones).

The product of its digits is 768, while the sum is 23.

The square root of 2211113444 is about 47022.4780716627. The cubic root of 2211113444 is about 1302.7777771180. Note that the first 6 decimals are identical.

Adding to 2211113444 its reverse (4443111122), we get a palindrome (6654224566).

The spelling of 2211113444 in words is "two billion, two hundred eleven million, one hundred thirteen thousand, four hundred forty-four".