2221002001982 has 8 divisors (see below), whose sum is σ = 3476350959696. Its totient is φ = 1062218348752.

The previous prime is 2221002001961. The next prime is 2221002001987. The reversal of 2221002001982 is 2891002001222.

It is a happy number.

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

It is a super-3 number, since 3×2221002001982³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221002001987) by changing a digit.

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, 24141326063 + ... + 24141326154.

It is an arithmetic number, because the mean of its divisors is an integer number (434543869962).

Almost surely, 2^{2221002001982} is an apocalyptic number.

2221002001982 is a deficient number, since it is larger than the sum of its proper divisors (1255348957714).

2221002001982 is a wasteful number, since it uses less digits than its factorization.

2221002001982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48282652242.

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

The spelling of 2221002001982 in words is "two trillion, two hundred twenty-one billion, two million, one thousand, nine hundred eighty-two".