2244445245 has 36 divisors (see below), whose sum is σ = 4525538940. Its totient is φ = 1026031104.

The previous prime is 2244445241. The next prime is 2244445277. The reversal of 2244445245 is 5425444422.

It can be written as a sum of positive squares in 2 ways, for example, as 405579321 + 1838865924 = 20139^2 + 42882^2 .

It is not a de Polignac number, because 2244445245 - 2² = 2244445241 is a prime.

It is a super-2 number, since 2×2244445245² = 10075068915606220050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2244445241) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 506740 + ... + 511149.

It is an arithmetic number, because the mean of its divisors is an integer number (125709415).

Almost surely, 2^2244445245 is an apocalyptic number.

It is an amenable number.

2244445245 is an abundant number, since it is smaller than the sum of its proper divisors (2281093695).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2244445245 is a wasteful number, since it uses less digits than its factorization.

2244445245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017914 (or 1017904 counting only the distinct ones).

The product of its digits is 204800, while the sum is 36.

The square root of 2244445245 is about 47375.5764608727. The cubic root of 2244445245 is about 1309.2914695016.

Adding to 2244445245 its reverse (5425444422), we get a palindrome (7669889667).

The spelling of 2244445245 in words is "two billion, two hundred forty-four million, four hundred forty-five thousand, two hundred forty-five".