22030194 has 16 divisors (see below), whose sum is σ = 44117568. Its totient is φ = 7333872.

The previous prime is 22030193. The next prime is 22030199. The reversal of 22030194 is 49103022.

It is a self number, because there is not a number n which added to its sum of digits gives 22030194.

It is not an unprimeable number, because it can be changed into a prime (22030193) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3904 + ... + 7700.

It is an arithmetic number, because the mean of its divisors is an integer number (2757348).

Almost surely, 2^22030194 is an apocalyptic number.

22030194 is an abundant number, since it is smaller than the sum of its proper divisors (22087374).

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

22030194 is a wasteful number, since it uses less digits than its factorization.

22030194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4769.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 22030194 is about 4693.6333474186. The cubic root of 22030194 is about 280.3320635195.

The spelling of 22030194 in words is "twenty-two million, thirty thousand, one hundred ninety-four".