19982241 has 16 divisors (see below), whose sum is σ = 29808000. Its totient is φ = 13229424.

The previous prime is 19982213. The next prime is 19982251. The reversal of 19982241 is 14228991.

It is not a de Polignac number, because 19982241 - 2⁶ = 19982177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19982196 and 19982205.

It is not an unprimeable number, because it can be changed into a prime (19982251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1540 + ... + 6506.

It is an arithmetic number, because the mean of its divisors is an integer number (1863000).

Almost surely, 2^19982241 is an apocalyptic number.

It is an amenable number.

19982241 is a deficient number, since it is larger than the sum of its proper divisors (9825759).

19982241 is a wasteful number, since it uses less digits than its factorization.

19982241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5125 (or 5119 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 19982241 is about 4470.1499974833. The cubic root of 19982241 is about 271.3613956304.

The spelling of 19982241 in words is "nineteen million, nine hundred eighty-two thousand, two hundred forty-one".