2244220405 has 32 divisors (see below), whose sum is σ = 3275887104. Its totient is φ = 1440792576.

The previous prime is 2244220379. The next prime is 2244220441. The reversal of 2244220405 is 5040224422.

It is a cyclic number.

It is not a de Polignac number, because 2244220405 - 2⁹ = 2244219893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2244220405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105064 + ... + 124606.

It is an arithmetic number, because the mean of its divisors is an integer number (102371472).

Almost surely, 2^2244220405 is an apocalyptic number.

It is an amenable number.

2244220405 is a deficient number, since it is larger than the sum of its proper divisors (1031666699).

2244220405 is a wasteful number, since it uses less digits than its factorization.

2244220405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19765.

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 2244220405 is about 47373.2034487853. The cubic root of 2244220405 is about 1309.2477480927.

Adding to 2244220405 its reverse (5040224422), we get a palindrome (7284444827).

The spelling of 2244220405 in words is "two billion, two hundred forty-four million, two hundred twenty thousand, four hundred five".