822061 has 4 divisors (see below), whose sum is σ = 823900. Its totient is φ = 820224.

The previous prime is 822049. The next prime is 822067. The reversal of 822061 is 160228.

It is a happy number.

822061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 352836 + 469225 = 594^2 + 685^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-822061 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 (822067) 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, 235 + ... + 1303.

It is an arithmetic number, because the mean of its divisors is an integer number (205975).

2⁸²²⁰⁶¹ is an apocalyptic number.

It is an amenable number.

822061 is a deficient number, since it is larger than the sum of its proper divisors (1839).

822061 is a wasteful number, since it uses less digits than its factorization.

822061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1838.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 822061 is about 906.6757965227. The cubic root of 822061 is about 93.6773683366.

Adding to 822061 its reverse (160228), we get a palindrome (982289).

It can be divided in two parts, 8220 and 61, that added together give a square (8281 = 91²).

The spelling of 822061 in words is "eight hundred twenty-two thousand, sixty-one".