23221304404 has 48 divisors (see below), whose sum is σ = 43055006400. Its totient is φ = 10928065536.

The previous prime is 23221304401. The next prime is 23221304417. The reversal of 23221304404 is 40440312232.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23221304401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10215012 + ... + 10217284.

It is an arithmetic number, because the mean of its divisors is an integer number (896979300).

Almost surely, 2^23221304404 is an apocalyptic number.

It is an amenable number.

23221304404 is a deficient number, since it is larger than the sum of its proper divisors (19833701996).

23221304404 is a wasteful number, since it uses less digits than its factorization.

23221304404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3112 (or 3110 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 23221304404 its reverse (40440312232), we get a palindrome (63661616636).

The spelling of 23221304404 in words is "twenty-three billion, two hundred twenty-one million, three hundred four thousand, four hundred four".