22044310002 has 128 divisors (see below), whose sum is σ = 57657841920. Its totient is φ = 6154859520.

The previous prime is 22044309997. The next prime is 22044310019. The reversal of 22044310002 is 20001344022.

22044310002 is a `hidden beast` number, since 220 + 443 + 1 + 0 + 0 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4731258 + ... + 4735914.

It is an arithmetic number, because the mean of its divisors is an integer number (450451890).

Almost surely, 2^22044310002 is an apocalyptic number.

22044310002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 22044310002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28828920960).

22044310002 is an abundant number, since it is smaller than the sum of its proper divisors (35613531918).

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

22044310002 is a wasteful number, since it uses less digits than its factorization.

22044310002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5305 (or 5299 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 22044310002 its reverse (20001344022), we get a palindrome (42045654024).

The spelling of 22044310002 in words is "twenty-two billion, forty-four million, three hundred ten thousand, two".