822461 has 8 divisors (see below), whose sum is σ = 870144. Its totient is φ = 776160.

The previous prime is 822433. The next prime is 822517. The reversal of 822461 is 164228.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 822461 - 2¹⁸ = 560317 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 (822431) 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 7 ways as a sum of consecutive naturals, for example, 1025 + ... + 1641.

It is an arithmetic number, because the mean of its divisors is an integer number (108768).

2⁸²²⁴⁶¹ is an apocalyptic number.

It is an amenable number.

822461 is a deficient number, since it is larger than the sum of its proper divisors (47683).

822461 is a wasteful number, since it uses less digits than its factorization.

822461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691.

The product of its digits is 768, while the sum is 23.

The square root of 822461 is about 906.8963557100. The cubic root of 822461 is about 93.6925597768.

Adding to 822461 its reverse (164228), we get a palindrome (986689).

The spelling of 822461 in words is "eight hundred twenty-two thousand, four hundred sixty-one".