22220436344 has 32 divisors (see below), whose sum is σ = 43490334240. Its totient is φ = 10623360000.

The previous prime is 22220436341. The next prime is 22220436349. The reversal of 22220436344 is 44363402222.

It is a self number, because there is not a number n which added to its sum of digits gives 22220436344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220436341) 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, 532064 + ... + 572304.

It is an arithmetic number, because the mean of its divisors is an integer number (1359072945).

Almost surely, 2^22220436344 is an apocalyptic number.

It is an amenable number.

22220436344 is a deficient number, since it is larger than the sum of its proper divisors (21269897896).

22220436344 is a wasteful number, since it uses less digits than its factorization.

22220436344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43271 (or 43267 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 22220436344 its reverse (44363402222), we get a palindrome (66583838566).

The spelling of 22220436344 in words is "twenty-two billion, two hundred twenty million, four hundred thirty-six thousand, three hundred forty-four".