22550426836 has 12 divisors (see below), whose sum is σ = 45100853728. Its totient is φ = 9664468632.

The previous prime is 22550426831. The next prime is 22550426863. The reversal of 22550426836 is 63862405522.

22550426836 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 22550426792 and 22550426801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22550426831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 402686166 + ... + 402686221.

Almost surely, 2^22550426836 is an apocalyptic number.

It is an amenable number.

22550426836 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22550426836 is a wasteful number, since it uses less digits than its factorization.

22550426836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805372398 (or 805372396 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 43.

The spelling of 22550426836 in words is "twenty-two billion, five hundred fifty million, four hundred twenty-six thousand, eight hundred thirty-six".