22442240044 has 12 divisors (see below), whose sum is σ = 44884480144. Its totient is φ = 9618102864.

The previous prime is 22442240033. The next prime is 22442240047. The reversal of 22442240044 is 44004224422.

22442240044 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 801508573 = 22442240044 / (2 + 2 + 4 + 4 + 2 + 2 + 4 + 0 + 0 + 4 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 22442239994 and 22442240021.

It is not an unprimeable number, because it can be changed into a prime (22442240047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 400754259 + ... + 400754314.

Almost surely, 2^22442240044 is an apocalyptic number.

It is an amenable number.

22442240044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22442240044 is a wasteful number, since it uses less digits than its factorization.

22442240044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801508584 (or 801508582 counting only the distinct ones).

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

Adding to 22442240044 its reverse (44004224422), we get a palindrome (66446464466).

The spelling of 22442240044 in words is "twenty-two billion, four hundred forty-two million, two hundred forty thousand, forty-four".