22032003303440 has 160 divisors (see below), whose sum is σ = 58418512225920. Its totient is φ = 7655219453952.

The previous prime is 22032003303437. The next prime is 22032003303449. The reversal of 22032003303440 is 4430330023022.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (22032003303449) by changing a digit.

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, 122025551 + ... + 122205969.

It is an arithmetic number, because the mean of its divisors is an integer number (365115701412).

Almost surely, 2^{22032003303440} is an apocalyptic number.

22032003303440 is a gapful number since it is divisible by the number (20) 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 22032003303440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29209256112960).

22032003303440 is an abundant number, since it is smaller than the sum of its proper divisors (36386508922480).

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

22032003303440 is a wasteful number, since it uses less digits than its factorization.

22032003303440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187369 (or 187363 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 26.

Adding to 22032003303440 its reverse (4430330023022), we get a palindrome (26462333326462).

The spelling of 22032003303440 in words is "twenty-two trillion, thirty-two billion, three million, three hundred three thousand, four hundred forty".