22355043520552 has 32 divisors (see below), whose sum is σ = 42153405026400. Its totient is φ = 11114145981504.

The previous prime is 22355043520549. The next prime is 22355043520571. The reversal of 22355043520552 is 25502534055322.

It is a junction number, because it is equal to n+sod(n) for n = 22355043520499 and 22355043520508.

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, 16597438 + ... + 17893714.

It is an arithmetic number, because the mean of its divisors is an integer number (1317293907075).

Almost surely, 2^{22355043520552} is an apocalyptic number.

It is an amenable number.

22355043520552 is a deficient number, since it is larger than the sum of its proper divisors (19798361505848).

22355043520552 is a wasteful number, since it uses less digits than its factorization.

22355043520552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308505 (or 1308501 counting only the distinct ones).

The product of its (nonzero) digits is 1800000, while the sum is 43.

Adding to 22355043520552 its reverse (25502534055322), we get a palindrome (47857577575874).

The spelling of 22355043520552 in words is "twenty-two trillion, three hundred fifty-five billion, forty-three million, five hundred twenty thousand, five hundred fifty-two".