822072 has 16 divisors (see below), whose sum is σ = 2055240. Its totient is φ = 274016.

The previous prime is 822067. The next prime is 822079. The reversal of 822072 is 270228.

It is a plaindrome in base 15.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 822072.

It is not an unprimeable number, because it can be changed into a prime (822079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17103 + ... + 17150.

2⁸²²⁰⁷² is an apocalyptic number.

It is an amenable number.

822072 is an abundant number, since it is smaller than the sum of its proper divisors (1233168).

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

822072 is a wasteful number, since it uses less digits than its factorization.

822072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34262 (or 34258 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 822072 is about 906.6818626178. The cubic root of 822072 is about 93.6777861671.

The spelling of 822072 in words is "eight hundred twenty-two thousand, seventy-two".