822030 has 64 divisors (see below), whose sum is σ = 2239488. Its totient is φ = 191360.
The previous prime is 822013. The next prime is 822037. The reversal of 822030 is 30228.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (822037) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15484 + ... + 15536.
It is an arithmetic number, because the mean of its divisors is an integer number (34992).
2822030 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 822030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1119744).
822030 is an abundant number, since it is smaller than the sum of its proper divisors (1417458).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
822030 is a wasteful number, since it uses less digits than its factorization.
822030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 121.
The product of its (nonzero) digits is 96, while the sum is 15.
The square root of 822030 is about 906.6587009454. The cubic root of 822030 is about 93.6761907943.
Adding to 822030 its reverse (30228), we get a palindrome (852258).
It can be divided in two parts, 82 and 2030, that added together give a palindrome (2112).
The spelling of 822030 in words is "eight hundred twenty-two thousand, thirty".
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