22000202440 has 64 divisors (see below), whose sum is σ = 50140036800. Its totient is φ = 8686563072.

The previous prime is 22000202417. The next prime is 22000202447. The reversal of 22000202440 is 4420200022.

It is not an unprimeable number, because it can be changed into a prime (22000202447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5373034 + ... + 5377126.

It is an arithmetic number, because the mean of its divisors is an integer number (783438075).

Almost surely, 2^22000202440 is an apocalyptic number.

22000202440 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 22000202440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25070018400).

22000202440 is an abundant number, since it is smaller than the sum of its proper divisors (28139834360).

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

22000202440 is a wasteful number, since it uses less digits than its factorization.

22000202440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5806 (or 5802 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 22000202440 its reverse (4420200022), we get a palindrome (26420402462).

The spelling of 22000202440 in words is "twenty-two billion, two hundred two thousand, four hundred forty".