1982422 has 16 divisors (see below), whose sum is σ = 3371760. Its totient is φ = 866592.

The previous prime is 1982417. The next prime is 1982437. The reversal of 1982422 is 2242891.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1513 + ... + 2500.

It is an arithmetic number, because the mean of its divisors is an integer number (210735).

2^1982422 is an apocalyptic number.

1982422 is a deficient number, since it is larger than the sum of its proper divisors (1389338).

1982422 is a wasteful number, since it uses less digits than its factorization.

1982422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4047.

The product of its digits is 2304, while the sum is 28.

The square root of 1982422 is about 1407.9850851483. The cubic root of 1982422 is about 125.6219034244.

The spelling of 1982422 in words is "one million, nine hundred eighty-two thousand, four hundred twenty-two".