22240240402240 has 56 divisors (see below), whose sum is σ = 60525225672192. Its totient is φ = 7625225280000.

The previous prime is 22240240402183. The next prime is 22240240402249. The reversal of 22240240402240 is 4220404204222.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 22240240402199 and 22240240402208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22240240402249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4964337136 + ... + 4964341615.

Almost surely, 2^{22240240402240} is an apocalyptic number.

22240240402240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22240240402240 is an abundant number, since it is smaller than the sum of its proper divisors (38284985269952).

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

22240240402240 is an equidigital number, since it uses as much as digits as its factorization.

22240240402240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9928678775 (or 9928678765 counting only the distinct ones).

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

Adding to 22240240402240 its reverse (4220404204222), we get a palindrome (26460644606462).

The spelling of 22240240402240 in words is "twenty-two trillion, two hundred forty billion, two hundred forty million, four hundred two thousand, two hundred forty".