22240020404 has 24 divisors (see below), whose sum is σ = 45106524288. Its totient is φ = 9397190880.

The previous prime is 22240020373. The next prime is 22240020437. The reversal of 22240020404 is 40402004222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5591579 + ... + 5595554.

It is an arithmetic number, because the mean of its divisors is an integer number (1879438512).

Almost surely, 2^22240020404 is an apocalyptic number.

It is an amenable number.

22240020404 is an abundant number, since it is smaller than the sum of its proper divisors (22866503884).

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

22240020404 is a wasteful number, since it uses less digits than its factorization.

22240020404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11187215 (or 11187213 counting only the distinct ones).

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

Adding to 22240020404 its reverse (40402004222), we get a palindrome (62642024626).

The spelling of 22240020404 in words is "twenty-two billion, two hundred forty million, twenty thousand, four hundred four".