822163826 has 32 divisors (see below), whose sum is σ = 1432572480. Its totient is φ = 349734400.

The previous prime is 822163813. The next prime is 822163829. The reversal of 822163826 is 628361228.

It is a self number, because there is not a number n which added to its sum of digits gives 822163826.

It is not an unprimeable number, because it can be changed into a prime (822163829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60806 + ... + 73086.

It is an arithmetic number, because the mean of its divisors is an integer number (44767890).

Almost surely, 2^822163826 is an apocalyptic number.

822163826 is a deficient number, since it is larger than the sum of its proper divisors (610408654).

822163826 is a wasteful number, since it uses less digits than its factorization.

822163826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12490.

The product of its digits is 55296, while the sum is 38.

The square root of 822163826 is about 28673.3992752865. The cubic root of 822163826 is about 936.8127399468.

The spelling of 822163826 in words is "eight hundred twenty-two million, one hundred sixty-three thousand, eight hundred twenty-six".