22224040044 has 24 divisors (see below), whose sum is σ = 52101862848. Its totient is φ = 7372903440.

The previous prime is 22224040009. The next prime is 22224040049. The reversal of 22224040044 is 44004042222.

It is a junction number, because it is equal to n+sod(n) for n = 22224039996 and 22224040023.

It is not an unprimeable number, because it can be changed into a prime (22224040049) 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, 4386102 + ... + 4391165.

It is an arithmetic number, because the mean of its divisors is an integer number (2170910952).

Almost surely, 2^22224040044 is an apocalyptic number.

It is an amenable number.

22224040044 is an abundant number, since it is smaller than the sum of its proper divisors (29877822804).

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

22224040044 is a wasteful number, since it uses less digits than its factorization.

22224040044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8777485 (or 8777483 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 22224040044 its reverse (44004042222), we get a palindrome (66228082266).

The spelling of 22224040044 in words is "twenty-two billion, two hundred twenty-four million, forty thousand, forty-four".