22244313344 has 72 divisors (see below), whose sum is σ = 48524380128. Its totient is φ = 10093076480.

The previous prime is 22244313317. The next prime is 22244313367. The reversal of 22244313344 is 44331344222.

It is a super-4 number, since 4×22244313344⁴ (a number of 42 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 22244313344.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1646264 + ... + 1659720.

It is an arithmetic number, because the mean of its divisors is an integer number (673949724).

Almost surely, 2^22244313344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22244313344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24262190064).

22244313344 is an abundant number, since it is smaller than the sum of its proper divisors (26280066784).

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

22244313344 is a wasteful number, since it uses less digits than its factorization.

22244313344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14071 (or 14057 counting only the distinct ones).

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

Adding to 22244313344 its reverse (44331344222), we get a palindrome (66575657566).

The spelling of 22244313344 in words is "twenty-two billion, two hundred forty-four million, three hundred thirteen thousand, three hundred forty-four".