822112423 has 4 divisors (see below), whose sum is σ = 896849928. Its totient is φ = 747374920.

The previous prime is 822112409. The next prime is 822112441. The reversal of 822112423 is 324211228.

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-822112423 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 (822112493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37368736 + ... + 37368757.

It is an arithmetic number, because the mean of its divisors is an integer number (224212482).

Almost surely, 2^822112423 is an apocalyptic number.

822112423 is a deficient number, since it is larger than the sum of its proper divisors (74737505).

822112423 is a wasteful number, since it uses less digits than its factorization.

822112423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74737504.

The product of its digits is 1536, while the sum is 25.

The square root of 822112423 is about 28672.5029078384. The cubic root of 822112423 is about 936.7932158620.

The spelling of 822112423 in words is "eight hundred twenty-two million, one hundred twelve thousand, four hundred twenty-three".