22131130 has 32 divisors (see below), whose sum is σ = 45691776. Its totient is φ = 7560384.

The previous prime is 22131113. The next prime is 22131133. The reversal of 22131130 is 3113122.

It is a self number, because there is not a number n which added to its sum of digits gives 22131130.

It is not an unprimeable number, because it can be changed into a prime (22131133) 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 15 ways as a sum of consecutive naturals, for example, 32352 + ... + 33028.

It is an arithmetic number, because the mean of its divisors is an integer number (1427868).

Almost surely, 2^22131130 is an apocalyptic number.

22131130 is an abundant number, since it is smaller than the sum of its proper divisors (23560646).

22131130 is a wasteful number, since it uses less digits than its factorization.

22131130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 22131130 is about 4704.3734970769. The cubic root of 22131130 is about 280.7595448925.

Adding to 22131130 its reverse (3113122), we get a palindrome (25244252).

The spelling of 22131130 in words is "twenty-two million, one hundred thirty-one thousand, one hundred thirty".