22021101982 has 16 divisors (see below), whose sum is σ = 36221244912. Its totient is φ = 9957726720.

The previous prime is 22021101959. The next prime is 22021102001. The reversal of 22021101982 is 28910112022.

It is a self number, because there is not a number n which added to its sum of digits gives 22021101982.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2588913 + ... + 2597404.

It is an arithmetic number, because the mean of its divisors is an integer number (2263827807).

Almost surely, 2^22021101982 is an apocalyptic number.

22021101982 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22021101982 is a deficient number, since it is larger than the sum of its proper divisors (14200142930).

22021101982 is a wasteful number, since it uses less digits than its factorization.

22021101982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5186523.

The product of its (nonzero) digits is 1152, while the sum is 28.

The spelling of 22021101982 in words is "twenty-two billion, twenty-one million, one hundred one thousand, nine hundred eighty-two".