22354565844 has 24 divisors (see below), whose sum is σ = 56173012000. Its totient is φ = 6878327904.

The previous prime is 22354565839. The next prime is 22354565851. The reversal of 22354565844 is 44856545322.

It is a super-2 number, since 2×22354565844² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22354565793 and 22354565802.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71649094 + ... + 71649405.

Almost surely, 2^22354565844 is an apocalyptic number.

It is an amenable number.

22354565844 is an abundant number, since it is smaller than the sum of its proper divisors (33818446156).

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

22354565844 is a wasteful number, since it uses less digits than its factorization.

22354565844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143298519 (or 143298517 counting only the distinct ones).

The product of its digits is 4608000, while the sum is 48.

The spelling of 22354565844 in words is "twenty-two billion, three hundred fifty-four million, five hundred sixty-five thousand, eight hundred forty-four".