22202442240440 has 64 divisors (see below), whose sum is σ = 62282175644160. Its totient is φ = 6920241736320.

The previous prime is 22202442240421. The next prime is 22202442240467. The reversal of 22202442240440 is 4404224420222.

It is a junction number, because it is equal to n+sod(n) for n = 22202442240397 and 22202442240406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3604289492 + ... + 3604295651.

It is an arithmetic number, because the mean of its divisors is an integer number (973158994440).

Almost surely, 2^{22202442240440} is an apocalyptic number.

22202442240440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22202442240440 is an abundant number, since it is smaller than the sum of its proper divisors (40079733403720).

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

22202442240440 is a wasteful number, since it uses less digits than its factorization.

22202442240440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7208585172 (or 7208585168 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 22202442240440 its reverse (4404224420222), we get a palindrome (26606666660662).

The spelling of 22202442240440 in words is "twenty-two trillion, two hundred two billion, four hundred forty-two million, two hundred forty thousand, four hundred forty".