818982201 has 8 divisors (see below), whose sum is σ = 1092120640. Its totient is φ = 545915952.

The previous prime is 818982193. The next prime is 818982209. The reversal of 818982201 is 102289818.

It is an interprime number because it is at equal distance from previous prime (818982193) and next prime (818982209).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 818982201 - 2³ = 818982193 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 818982201.

It is not an unprimeable number, because it can be changed into a prime (818982209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19716 + ... + 45018.

It is an arithmetic number, because the mean of its divisors is an integer number (136515080).

Almost surely, 2^818982201 is an apocalyptic number.

It is an amenable number.

818982201 is a deficient number, since it is larger than the sum of its proper divisors (273138439).

818982201 is a wasteful number, since it uses less digits than its factorization.

818982201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36095.

The product of its (nonzero) digits is 18432, while the sum is 39.

The square root of 818982201 is about 28617.8650671220. The cubic root of 818982201 is about 935.6027459434.

The spelling of 818982201 in words is "eight hundred eighteen million, nine hundred eighty-two thousand, two hundred one".