22220044024240 has 20 divisors (see below), whose sum is σ = 51661602356544. Its totient is φ = 8888017609664.

The previous prime is 22220044024219. The next prime is 22220044024249. The reversal of 22220044024240 is 4242044002222.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 22220044024199 and 22220044024208.

It is not an unprimeable number, because it can be changed into a prime (22220044024249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138875275072 + ... + 138875275231.

Almost surely, 2^{22220044024240} is an apocalyptic number.

22220044024240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22220044024240 is an abundant number, since it is smaller than the sum of its proper divisors (29441558332304).

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

22220044024240 is a wasteful number, since it uses less digits than its factorization.

22220044024240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277750550316 (or 277750550310 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 22220044024240 its reverse (4242044002222), we get a palindrome (26462088026462).

The spelling of 22220044024240 in words is "twenty-two trillion, two hundred twenty billion, forty-four million, twenty-four thousand, two hundred forty".