22036530 has 64 divisors (see below), whose sum is σ = 55883520. Its totient is φ = 5550336.

The previous prime is 22036529. The next prime is 22036579. The reversal of 22036530 is 3563022.

It is a junction number, because it is equal to n+sod(n) for n = 22036497 and 22036506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75064 + ... + 75356.

It is an arithmetic number, because the mean of its divisors is an integer number (873180).

Almost surely, 2^22036530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22036530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27941760).

22036530 is an abundant number, since it is smaller than the sum of its proper divisors (33846990).

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

22036530 is a wasteful number, since it uses less digits than its factorization.

22036530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 22036530 is about 4694.3082557497. The cubic root of 22036530 is about 280.3589359369.

Adding to 22036530 its reverse (3563022), we get a palindrome (25599552).

The spelling of 22036530 in words is "twenty-two million, thirty-six thousand, five hundred thirty".