22244144404 has 24 divisors (see below), whose sum is σ = 39987652320. Its totient is φ = 10819226016.

The previous prime is 22244144389. The next prime is 22244144407. The reversal of 22244144404 is 40444144222.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22244144407) 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, 866319 + ... + 891625.

It is an arithmetic number, because the mean of its divisors is an integer number (1666152180).

Almost surely, 2^22244144404 is an apocalyptic number.

It is an amenable number.

22244144404 is a deficient number, since it is larger than the sum of its proper divisors (17743507916).

22244144404 is a wasteful number, since it uses less digits than its factorization.

22244144404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31287 (or 31285 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 31.

Adding to 22244144404 its reverse (40444144222), we get a palindrome (62688288626).

The spelling of 22244144404 in words is "twenty-two billion, two hundred forty-four million, one hundred forty-four thousand, four hundred four".