22003028736 has 288 divisors, whose sum is σ = 70299210240. Its totient is φ = 6035668992.

The previous prime is 22003028699. The next prime is 22003028759. The reversal of 22003028736 is 63782030022.

It is a junction number, because it is equal to n+sod(n) for n = 22003028697 and 22003028706.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3221421 + ... + 3228243.

It is an arithmetic number, because the mean of its divisors is an integer number (244094480).

Almost surely, 2^22003028736 is an apocalyptic number.

22003028736 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22003028736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35149605120).

22003028736 is an abundant number, since it is smaller than the sum of its proper divisors (48296181504).

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

22003028736 is a wasteful number, since it uses less digits than its factorization.

22003028736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6891 (or 6877 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

Adding to 22003028736 its reverse (63782030022), we get a palindrome (85785058758).

The spelling of 22003028736 in words is "twenty-two billion, three million, twenty-eight thousand, seven hundred thirty-six".