22236530306240 has 56 divisors (see below), whose sum is σ = 53227966931712. Its totient is φ = 8848043448320.

The previous prime is 22236530306173. The next prime is 22236530306261. The reversal of 22236530306240 is 4260303563222.

It is a junction number, because it is equal to n+sod(n) for n = 22236530306194 and 22236530306203.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181847669 + ... + 181969908.

Almost surely, 2^{22236530306240} is an apocalyptic number.

22236530306240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22236530306240 is an abundant number, since it is smaller than the sum of its proper divisors (30991436625472).

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

22236530306240 is a wasteful number, since it uses less digits than its factorization.

22236530306240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363817785 (or 363817775 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 38.

Adding to 22236530306240 its reverse (4260303563222), we get a palindrome (26496833869462).

The spelling of 22236530306240 in words is "twenty-two trillion, two hundred thirty-six billion, five hundred thirty million, three hundred six thousand, two hundred forty".