22102021982 has 8 divisors (see below), whose sum is σ = 33375537000. Its totient is φ = 10976842984.

The previous prime is 22102021951. The next prime is 22102021993. The reversal of 22102021982 is 28912020122.

It is a happy number.

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

It is a super-2 number, since 2×22102021982² (a number of 21 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 37083632 + ... + 37084227.

It is an arithmetic number, because the mean of its divisors is an integer number (4171942125).

Almost surely, 2^22102021982 is an apocalyptic number.

22102021982 is a deficient number, since it is larger than the sum of its proper divisors (11273515018).

22102021982 is a wasteful number, since it uses less digits than its factorization.

22102021982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74168010.

The product of its (nonzero) digits is 2304, while the sum is 29.

The spelling of 22102021982 in words is "twenty-two billion, one hundred two million, twenty-one thousand, nine hundred eighty-two".