2201144144 has 10 divisors (see below), whose sum is σ = 4264716810. Its totient is φ = 1100572064.

The previous prime is 2201144123. The next prime is 2201144203. The reversal of 2201144144 is 4414411022.

It can be written as a sum of positive squares in only one way, i.e., 1302343744 + 898800400 = 36088^2 + 29980^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68785739 + ... + 68785770.

It is an arithmetic number, because the mean of its divisors is an integer number (426471681).

Almost surely, 2^2201144144 is an apocalyptic number.

It is an amenable number.

2201144144 is a deficient number, since it is larger than the sum of its proper divisors (2063572666).

2201144144 is a wasteful number, since it uses less digits than its factorization.

2201144144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137571517 (or 137571511 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 2201144144 is about 46916.3526289075. The cubic root of 2201144144 is about 1300.8168720046.

Adding to 2201144144 its reverse (4414411022), we get a palindrome (6615555166).

The spelling of 2201144144 in words is "two billion, two hundred one million, one hundred forty-four thousand, one hundred forty-four".