8422530 has 16 divisors (see below), whose sum is σ = 20214144. Its totient is φ = 2246000.

The previous prime is 8422511. The next prime is 8422543. The reversal of 8422530 is 352248.

It is a d-powerful number, because it can be written as 8⁵ + 4⁵ + 2 + 2²³ + 5³ + 3 + 0 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8422530.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140346 + ... + 140405.

It is an arithmetic number, because the mean of its divisors is an integer number (1263384).

Almost surely, 2^8422530 is an apocalyptic number.

8422530 is an abundant number, since it is smaller than the sum of its proper divisors (11791614).

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

8422530 is a wasteful number, since it uses less digits than its factorization.

8422530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280761.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 8422530 is about 2902.1595407558. The cubic root of 8422530 is about 203.4608504678.

Adding to 8422530 its reverse (352248), we get a palindrome (8774778).

It can be divided in two parts, 84225 and 30, that added together give a triangular number (84255 = T₄₁₀).

The spelling of 8422530 in words is "eight million, four hundred twenty-two thousand, five hundred thirty".