22231023404 has 12 divisors (see below), whose sum is σ = 38906426664. Its totient is φ = 11114901504.

The previous prime is 22231023389. The next prime is 22231023407. The reversal of 22231023404 is 40432013222.

It is a self number, because there is not a number n which added to its sum of digits gives 22231023404.

It is not an unprimeable number, because it can be changed into a prime (22231023407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64994 + ... + 220649.

It is an arithmetic number, because the mean of its divisors is an integer number (3242202222).

Almost surely, 2^22231023404 is an apocalyptic number.

It is an amenable number.

22231023404 is a deficient number, since it is larger than the sum of its proper divisors (16675403260).

22231023404 is a wasteful number, since it uses less digits than its factorization.

22231023404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305104 (or 305102 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 22231023404 its reverse (40432013222), we get a palindrome (62663036626).

The spelling of 22231023404 in words is "twenty-two billion, two hundred thirty-one million, twenty-three thousand, four hundred four".