22005130 has 16 divisors (see below), whose sum is σ = 45267840. Its totient is φ = 7544592.

The previous prime is 22005127. The next prime is 22005131. The reversal of 22005130 is 3150022.

It is a self number, because there is not a number n which added to its sum of digits gives 22005130.

It is not an unprimeable number, because it can be changed into a prime (22005131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157110 + ... + 157249.

It is an arithmetic number, because the mean of its divisors is an integer number (2829240).

Almost surely, 2^22005130 is an apocalyptic number.

22005130 is an abundant number, since it is smaller than the sum of its proper divisors (23262710).

22005130 is a wasteful number, since it uses less digits than its factorization.

22005130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314373.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 22005130 is about 4690.9625877852. The cubic root of 22005130 is about 280.2257108604.

Adding to 22005130 its reverse (3150022), we get a palindrome (25155152).

The spelling of 22005130 in words is "twenty-two million, five thousand, one hundred thirty".