22204202240440 has 48 divisors (see below), whose sum is σ = 54914111751240. Its totient is φ = 8074255358400.

The previous prime is 22204202240419. The next prime is 22204202240447. The reversal of 22204202240440 is 4404220240222.

It is a junction number, because it is equal to n+sod(n) for n = 22204202240399 and 22204202240408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22204202240447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2293817706 + ... + 2293827385.

Almost surely, 2^{22204202240440} is an apocalyptic number.

22204202240440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22204202240440 is an abundant number, since it is smaller than the sum of its proper divisors (32709909510800).

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

22204202240440 is a wasteful number, since it uses less digits than its factorization.

22204202240440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4587645124 (or 4587645109 counting only the distinct ones).

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

Adding to 22204202240440 its reverse (4404220240222), we get a palindrome (26608422480662).

The spelling of 22204202240440 in words is "twenty-two trillion, two hundred four billion, two hundred two million, two hundred forty thousand, four hundred forty".