2220221982 has 24 divisors (see below), whose sum is σ = 4880820168. Its totient is φ = 672794320.

The previous prime is 2220221951. The next prime is 2220222023. The reversal of 2220221982 is 2891220222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1528353 + ... + 1529804.

It is an arithmetic number, because the mean of its divisors is an integer number (203367507).

Almost surely, 2^2220221982 is an apocalyptic number.

2220221982 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2220221982 is an abundant number, since it is smaller than the sum of its proper divisors (2660598186).

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

2220221982 is a wasteful number, since it uses less digits than its factorization.

2220221982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3058184 (or 3058173 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 2220221982 is about 47119.2315514589. The cubic root of 2220221982 is about 1304.5642290706.

The spelling of 2220221982 in words is "two billion, two hundred twenty million, two hundred twenty-one thousand, nine hundred eighty-two".