2244420442 has 16 divisors (see below), whose sum is σ = 3762267264. Its totient is φ = 995308000.

The previous prime is 2244420419. The next prime is 2244420443. The reversal of 2244420442 is 2440244422.

It is a self number, because there is not a number n which added to its sum of digits gives 2244420442.

It is not an unprimeable number, because it can be changed into a prime (2244420443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1243234 + ... + 1245037.

It is an arithmetic number, because the mean of its divisors is an integer number (235141704).

Almost surely, 2^2244420442 is an apocalyptic number.

2244420442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2244420442 is a deficient number, since it is larger than the sum of its proper divisors (1517846822).

2244420442 is a wasteful number, since it uses less digits than its factorization.

2244420442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2488325.

The product of its (nonzero) digits is 16384, while the sum is 28.

The square root of 2244420442 is about 47375.3146902477. The cubic root of 2244420442 is about 1309.2866465613.

Adding to 2244420442 its reverse (2440244422), we get a palindrome (4684664864).

The spelling of 2244420442 in words is "two billion, two hundred forty-four million, four hundred twenty thousand, four hundred forty-two".