19982286 has 12 divisors (see below), whose sum is σ = 43294992. Its totient is φ = 6660756.

The previous prime is 19982279. The next prime is 19982317. The reversal of 19982286 is 68228991.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 555046 + ... + 555081.

It is an arithmetic number, because the mean of its divisors is an integer number (3607916).

Almost surely, 2^19982286 is an apocalyptic number.

19982286 is an abundant number, since it is smaller than the sum of its proper divisors (23312706).

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

19982286 is a wasteful number, since it uses less digits than its factorization.

19982286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110135 (or 1110132 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 19982286 is about 4470.1550308686. The cubic root of 19982286 is about 271.3615993321.

The spelling of 19982286 in words is "nineteen million, nine hundred eighty-two thousand, two hundred eighty-six".