999982241 has 4 divisors (see below), whose sum is σ = 1009156500. Its totient is φ = 990807984.

The previous prime is 999982231. The next prime is 999982253. The reversal of 999982241 is 142289999.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 614841616 + 385140625 = 24796^2 + 19625^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-999982241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (999982231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4586966 + ... + 4587183.

It is an arithmetic number, because the mean of its divisors is an integer number (252289125).

Almost surely, 2^999982241 is an apocalyptic number.

It is an amenable number.

999982241 is a deficient number, since it is larger than the sum of its proper divisors (9174259).

999982241 is a wasteful number, since it uses less digits than its factorization.

999982241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9174258.

The product of its digits is 839808, while the sum is 53.

The square root of 999982241 is about 31622.4958059923. The cubic root of 999982241 is about 999.9940802983.

The spelling of 999982241 in words is "nine hundred ninety-nine million, nine hundred eighty-two thousand, two hundred forty-one".