2244422242 has 4 divisors (see below), whose sum is σ = 3366633366. Its totient is φ = 1122211120.

The previous prime is 2244422237. The next prime is 2244422269. The reversal of 2244422242 is 2422244422.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1780924401 + 463497841 = 42201^2 + 21529^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2244422242.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561105559 + ... + 561105562.

Almost surely, 2^2244422242 is an apocalyptic number.

2244422242 is a deficient number, since it is larger than the sum of its proper divisors (1122211124).

2244422242 is a wasteful number, since it uses less digits than its factorization.

2244422242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122211123.

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

The square root of 2244422242 is about 47375.3336874792. Note that the first 3 decimals coincide. The cubic root of 2244422242 is about 1309.2869965723.

Adding to 2244422242 its reverse (2422244422), we get a palindrome (4666666664).

The spelling of 2244422242 in words is "two billion, two hundred forty-four million, four hundred twenty-two thousand, two hundred forty-two".