22440000022240 has 96 divisors (see below), whose sum is σ = 55327846210560. Its totient is φ = 8584440420864.

The previous prime is 22440000022189. The next prime is 22440000022249. The reversal of 22440000022240 is 4222000004422.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22440000022249) 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, 24047257 + ... + 24962983.

It is an arithmetic number, because the mean of its divisors is an integer number (576331731360).

Almost surely, 2^{22440000022240} is an apocalyptic number.

22440000022240 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 22440000022240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27663923105280).

22440000022240 is an abundant number, since it is smaller than the sum of its proper divisors (32887846188320).

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

22440000022240 is a wasteful number, since it uses less digits than its factorization.

22440000022240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922424 (or 922416 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 22440000022240 its reverse (4222000004422), we get a palindrome (26662000026662).

The spelling of 22440000022240 in words is "twenty-two trillion, four hundred forty billion, twenty-two thousand, two hundred forty".