22204224444240 has 80 divisors (see below), whose sum is σ = 76481217537600. Its totient is φ = 5921126517888.

The previous prime is 22204224444223. The next prime is 22204224444323. The reversal of 22204224444240 is 4244442240222.

22204224444240 is a `hidden beast` number, since 2 + 2 + 2 + 0 + 4 + 224 + 4 + 4 + 424 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 22204224444195 and 22204224444204.

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, 5139864610 + ... + 5139868929.

It is an arithmetic number, because the mean of its divisors is an integer number (956015219220).

Almost surely, 2^{22204224444240} is an apocalyptic number.

22204224444240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22204224444240 is an abundant number, since it is smaller than the sum of its proper divisors (54276993093360).

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

22204224444240 is a wasteful number, since it uses less digits than its factorization.

22204224444240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10279733561 (or 10279733549 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 36.

Adding to 22204224444240 its reverse (4244442240222), we get a palindrome (26448666684462).

The spelling of 22204224444240 in words is "twenty-two trillion, two hundred four billion, two hundred twenty-four million, four hundred forty-four thousand, two hundred forty".