22004022404 has 72 divisors (see below), whose sum is σ = 47746415808. Its totient is φ = 8687952000.

The previous prime is 22004022389. The next prime is 22004022409. The reversal of 22004022404 is 40422040022.

It is not an unprimeable number, because it can be changed into a prime (22004022409) 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 23 ways as a sum of consecutive naturals, for example, 2584154 + ... + 2592654.

It is an arithmetic number, because the mean of its divisors is an integer number (663144664).

Almost surely, 2^22004022404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22004022404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23873207904).

22004022404 is an abundant number, since it is smaller than the sum of its proper divisors (25742393404).

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

22004022404 is a wasteful number, since it uses less digits than its factorization.

22004022404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9085 (or 9070 counting only the distinct ones).

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

Adding to 22004022404 its reverse (40422040022), we get a palindrome (62426062426).

The spelling of 22004022404 in words is "twenty-two billion, four million, twenty-two thousand, four hundred four".