22442020004 has 6 divisors (see below), whose sum is σ = 39273535014. Its totient is φ = 11221010000.

The previous prime is 22442019979. The next prime is 22442020009. The reversal of 22442020004 is 40002024422.

It can be written as a sum of positive squares in only one way, i.e., 13666077604 + 8775942400 = 116902^2 + 93680^2 .

It is not an unprimeable number, because it can be changed into a prime (22442020009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2805252497 + ... + 2805252504.

It is an arithmetic number, because the mean of its divisors is an integer number (6545589169).

Almost surely, 2^22442020004 is an apocalyptic number.

It is an amenable number.

22442020004 is a deficient number, since it is larger than the sum of its proper divisors (16831515010).

22442020004 is a wasteful number, since it uses less digits than its factorization.

22442020004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5610505005 (or 5610505003 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 22442020004 its reverse (40002024422), we get a palindrome (62444044426).

The spelling of 22442020004 in words is "twenty-two billion, four hundred forty-two million, twenty thousand, four".