2245440213 has 6 divisors (see below), whose sum is σ = 3243413654. Its totient is φ = 1496960136.

The previous prime is 2245440203. The next prime is 2245440259. The reversal of 2245440213 is 3120445422.

2245440213 is a `hidden beast` number, since 2 + 2 + 4 + 5 + 440 + 213 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2062703889 + 182736324 = 45417^2 + 13518^2 .

It is not a de Polignac number, because 2245440213 - 2⁶ = 2245440149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2245440203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 124746670 + ... + 124746687.

Almost surely, 2^2245440213 is an apocalyptic number.

It is an amenable number.

2245440213 is a deficient number, since it is larger than the sum of its proper divisors (997973441).

2245440213 is a wasteful number, since it uses less digits than its factorization.

2245440213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249493363 (or 249493360 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 2245440213 is about 47386.0761511227. The cubic root of 2245440213 is about 1309.4849116105.

Adding to 2245440213 its reverse (3120445422), we get a palindrome (5365885635).

The spelling of 2245440213 in words is "two billion, two hundred forty-five million, four hundred forty thousand, two hundred thirteen".