22130188 has 12 divisors (see below), whose sum is σ = 38761632. Its totient is φ = 11055440.

The previous prime is 22130179. The next prime is 22130221. The reversal of 22130188 is 88103122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6006 + ... + 8962.

It is an arithmetic number, because the mean of its divisors is an integer number (3230136).

Almost surely, 2^22130188 is an apocalyptic number.

It is an amenable number.

22130188 is a deficient number, since it is larger than the sum of its proper divisors (16631444).

22130188 is a wasteful number, since it uses less digits than its factorization.

22130188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4832 (or 4830 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 22130188 is about 4704.2733764100. The cubic root of 22130188 is about 280.7555613748.

The spelling of 22130188 in words is "twenty-two million, one hundred thirty thousand, one hundred eighty-eight".