22208547844 has 12 divisors (see below), whose sum is σ = 44417095744. Its totient is φ = 9517949064.

The previous prime is 22208547827. The next prime is 22208547869. The reversal of 22208547844 is 44874580222.

It is a happy number.

22208547844 is an admirable number.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 22208547794 and 22208547803.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 396581184 + ... + 396581239.

Almost surely, 2^22208547844 is an apocalyptic number.

It is an amenable number.

22208547844 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.

22208547844 is a wasteful number, since it uses less digits than its factorization.

22208547844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793162434 (or 793162432 counting only the distinct ones).

The product of its (nonzero) digits is 1146880, while the sum is 46.

The spelling of 22208547844 in words is "twenty-two billion, two hundred eight million, five hundred forty-seven thousand, eight hundred forty-four".