22404440404 has 24 divisors (see below), whose sum is σ = 40515487488. Its totient is φ = 10829353920.

The previous prime is 22404440353. The next prime is 22404440407. The reversal of 22404440404 is 40404440422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22404440407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22032 + ... + 212824.

It is an arithmetic number, because the mean of its divisors is an integer number (1688145312).

Almost surely, 2^22404440404 is an apocalyptic number.

It is an amenable number.

22404440404 is a deficient number, since it is larger than the sum of its proper divisors (18111047084).

22404440404 is a wasteful number, since it uses less digits than its factorization.

22404440404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191775 (or 191773 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 22404440404 its reverse (40404440422), we get a palindrome (62808880826).

The spelling of 22404440404 in words is "twenty-two billion, four hundred four million, four hundred forty thousand, four hundred four".