808202231 has 4 divisors (see below), whose sum is σ = 810801264. Its totient is φ = 805603200.

The previous prime is 808202123. The next prime is 808202251. The reversal of 808202231 is 132202808.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-808202231 is a prime.

It is a super-2 number, since 2×808202231² = 1306381692386754722, which contains 22 as substring.

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 808202231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (808202251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1299050 + ... + 1299671.

It is an arithmetic number, because the mean of its divisors is an integer number (202700316).

Almost surely, 2^808202231 is an apocalyptic number.

808202231 is a deficient number, since it is larger than the sum of its proper divisors (2599033).

808202231 is a wasteful number, since it uses less digits than its factorization.

808202231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2599032.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 808202231 is about 28428.8978154272. The cubic root of 808202231 is about 931.4796006638.

The spelling of 808202231 in words is "eight hundred eight million, two hundred two thousand, two hundred thirty-one".