22202181822 has 16 divisors (see below), whose sum is σ = 44594943120. Its totient is φ = 7368964032.

The previous prime is 22202181791. The next prime is 22202181857. The reversal of 22202181822 is 22818120222.

It is a self number, because there is not a number n which added to its sum of digits gives 22202181822.

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, 7939297 + ... + 7942092.

It is an arithmetic number, because the mean of its divisors is an integer number (2787183945).

Almost surely, 2^22202181822 is an apocalyptic number.

22202181822 is an abundant number, since it is smaller than the sum of its proper divisors (22392761298).

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

22202181822 is a wasteful number, since it uses less digits than its factorization.

22202181822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15881627.

The product of its (nonzero) digits is 4096, while the sum is 30.

The spelling of 22202181822 in words is "twenty-two billion, two hundred two million, one hundred eighty-one thousand, eight hundred twenty-two".