822726 has 12 divisors (see below), whose sum is σ = 1782612. Its totient is φ = 274236.

The previous prime is 822721. The next prime is 822727. The reversal of 822726 is 627228.

822726 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 7.

It is a zygodrome in base 7.

It is a self number, because there is not a number n which added to its sum of digits gives 822726.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (822721) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22836 + ... + 22871.

It is an arithmetic number, because the mean of its divisors is an integer number (148551).

2⁸²²⁷²⁶ is an apocalyptic number.

822726 is an abundant number, since it is smaller than the sum of its proper divisors (959886).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

822726 is a wasteful number, since it uses less digits than its factorization.

822726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45715 (or 45712 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 822726 is about 907.0424466363. The cubic root of 822726 is about 93.7026213936.

The spelling of 822726 in words is "eight hundred twenty-two thousand, seven hundred twenty-six".