822160813 has 4 divisors (see below), whose sum is σ = 822715200. Its totient is φ = 821606428.

The previous prime is 822160793. The next prime is 822160849. The reversal of 822160813 is 318061228.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 822160813 - 2¹³ = 822152621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (822160853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274963 + ... + 277936.

It is an arithmetic number, because the mean of its divisors is an integer number (205678800).

Almost surely, 2^822160813 is an apocalyptic number.

It is an amenable number.

822160813 is a deficient number, since it is larger than the sum of its proper divisors (554387).

822160813 is a wasteful number, since it uses less digits than its factorization.

822160813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554386.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 822160813 is about 28673.3467352522. The cubic root of 822160813 is about 936.8115955600.

The spelling of 822160813 in words is "eight hundred twenty-two million, one hundred sixty thousand, eight hundred thirteen".