22040430444 has 36 divisors (see below), whose sum is σ = 55729944816. Its totient is φ = 7344616608.

The previous prime is 22040430443. The next prime is 22040430449. The reversal of 22040430444 is 44403404022.

It is a happy number.

22040430444 is a `hidden beast` number, since 220 + 4 + 0 + 430 + 4 + 4 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (22040430443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33177 + ... + 212559.

Almost surely, 2^22040430444 is an apocalyptic number.

It is an amenable number.

22040430444 is an abundant number, since it is smaller than the sum of its proper divisors (33689514372).

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

22040430444 is a wasteful number, since it uses less digits than its factorization.

22040430444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182806 (or 182801 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

Adding to 22040430444 its reverse (44403404022), we get a palindrome (66443834466).

The spelling of 22040430444 in words is "twenty-two billion, forty million, four hundred thirty thousand, four hundred forty-four".