22110221982 has 32 divisors (see below), whose sum is σ = 44418248064. Its totient is φ = 7337181600.

The previous prime is 22110221941. The next prime is 22110221983. The reversal of 22110221982 is 28912201122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22110221983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1231353 + ... + 1249179.

It is an arithmetic number, because the mean of its divisors is an integer number (1388070252).

Almost surely, 2^22110221982 is an apocalyptic number.

22110221982 is an abundant number, since it is smaller than the sum of its proper divisors (22308026082).

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

22110221982 is a wasteful number, since it uses less digits than its factorization.

22110221982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18744.

The product of its (nonzero) digits is 2304, while the sum is 30.

The spelling of 22110221982 in words is "twenty-two billion, one hundred ten million, two hundred twenty-one thousand, nine hundred eighty-two".