22043503051556 has 48 divisors (see below), whose sum is σ = 44130066395520. Its totient is φ = 9437992784640.

The previous prime is 22043503051553. The next prime is 22043503051567. The reversal of 22043503051556 is 65515030534022.

It is a super-2 number, since 2×22043503051556² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22043503051553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123112976 + ... + 123291896.

It is an arithmetic number, because the mean of its divisors is an integer number (919376383240).

Almost surely, 2^{22043503051556} is an apocalyptic number.

It is an amenable number.

22043503051556 is an abundant number, since it is smaller than the sum of its proper divisors (22086563343964).

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

22043503051556 is a wasteful number, since it uses less digits than its factorization.

22043503051556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183204 (or 183202 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 41.

Adding to 22043503051556 its reverse (65515030534022), we get a palindrome (87558533585578).

The spelling of 22043503051556 in words is "twenty-two trillion, forty-three billion, five hundred three million, fifty-one thousand, five hundred fifty-six".