22004040004 has 12 divisors (see below), whose sum is σ = 38508124284. Its totient is φ = 11001718784.

The previous prime is 22004039957. The next prime is 22004040013. The reversal of 22004040004 is 40004040022.

It can be written as a sum of positive squares in 2 ways, for example, as 6456443904 + 15547596100 = 80352^2 + 124690^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22004040004.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204924 + ... + 293260.

It is an arithmetic number, because the mean of its divisors is an integer number (3209010357).

Almost surely, 2^22004040004 is an apocalyptic number.

It is an amenable number.

22004040004 is a deficient number, since it is larger than the sum of its proper divisors (16504084280).

22004040004 is a wasteful number, since it uses less digits than its factorization.

22004040004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150614 (or 150612 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 22004040004 its reverse (40004040022), we get a palindrome (62008080026).

The spelling of 22004040004 in words is "twenty-two billion, four million, forty thousand, four".