2213441144 has 8 divisors (see below), whose sum is σ = 4150202160. Its totient is φ = 1106720568.

The previous prime is 2213441099. The next prime is 2213441149. The reversal of 2213441144 is 4411443122.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213441149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138340064 + ... + 138340079.

It is an arithmetic number, because the mean of its divisors is an integer number (518775270).

Almost surely, 2^2213441144 is an apocalyptic number.

It is an amenable number.

2213441144 is a deficient number, since it is larger than the sum of its proper divisors (1936761016).

2213441144 is a wasteful number, since it uses less digits than its factorization.

2213441144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276680149 (or 276680145 counting only the distinct ones).

The product of its digits is 3072, while the sum is 26.

The square root of 2213441144 is about 47047.2224897496. Note that the first 3 decimals coincide. The cubic root of 2213441144 is about 1303.2347734695.

Adding to 2213441144 its reverse (4411443122), we get a palindrome (6624884266).

The spelling of 2213441144 in words is "two billion, two hundred thirteen million, four hundred forty-one thousand, one hundred forty-four".