22549797906 has 8 divisors (see below), whose sum is σ = 45099595824. Its totient is φ = 7516599300.

The previous prime is 22549797869. The next prime is 22549797929. The reversal of 22549797906 is 60979794522.

It is a sphenic number, since it is the product of 3 distinct primes.

22549797906 is an admirable number.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 22549797906.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1879149820 + ... + 1879149831.

It is an arithmetic number, because the mean of its divisors is an integer number (5637449478).

Almost surely, 2^22549797906 is an apocalyptic number.

22549797906 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.

22549797906 is a wasteful number, since it uses less digits than its factorization.

22549797906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3758299656.

The product of its (nonzero) digits is 17146080, while the sum is 60.

The spelling of 22549797906 in words is "twenty-two billion, five hundred forty-nine million, seven hundred ninety-seven thousand, nine hundred six".