2244020013 has 12 divisors (see below), whose sum is σ = 3263118300. Its totient is φ = 1485972096.

The previous prime is 2244019979. The next prime is 2244020041. The reversal of 2244020013 is 3100204422.

2244020013 is a `hidden beast` number, since 22 + 440 + 200 + 1 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 173132964 + 2070887049 = 13158^2 + 45507^2 .

It is not a de Polignac number, because 2244020013 - 2⁶ = 2244019949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2244020063) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 835356 + ... + 838037.

It is an arithmetic number, because the mean of its divisors is an integer number (271926525).

Almost surely, 2^2244020013 is an apocalyptic number.

It is an amenable number.

2244020013 is a deficient number, since it is larger than the sum of its proper divisors (1019098287).

2244020013 is a wasteful number, since it uses less digits than its factorization.

2244020013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1673548 (or 1673545 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2244020013 is about 47371.0883662176. The cubic root of 2244020013 is about 1309.2087782744.

Adding to 2244020013 its reverse (3100204422), we get a palindrome (5344224435).

The spelling of 2244020013 in words is "two billion, two hundred forty-four million, twenty thousand, thirteen".