1982222 has 12 divisors (see below), whose sum is σ = 3268608. Its totient is φ = 900900.

The previous prime is 1982219. The next prime is 1982263. The reversal of 1982222 is 2222891.

1982222 is a modest number, since divided by 2222 gives 198 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 1982191 and 1982200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3854 + ... + 4337.

It is an arithmetic number, because the mean of its divisors is an integer number (272384).

2^1982222 is an apocalyptic number.

1982222 is a deficient number, since it is larger than the sum of its proper divisors (1286386).

1982222 is a wasteful number, since it uses less digits than its factorization.

1982222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8215 (or 8204 counting only the distinct ones).

The product of its digits is 1152, while the sum is 26.

The square root of 1982222 is about 1407.9140598772. The cubic root of 1982222 is about 125.6176787562.

The spelling of 1982222 in words is "one million, nine hundred eighty-two thousand, two hundred twenty-two".