22224191 has 12 divisors (see below), whose sum is σ = 24836952. Its totient is φ = 19866000.

The previous prime is 22224149. The next prime is 22224203. The reversal of 22224191 is 19142222.

It is a de Polignac number, because none of the positive numbers 2^k-22224191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22224131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5876 + ... + 8886.

It is an arithmetic number, because the mean of its divisors is an integer number (2069746).

Almost surely, 2^22224191 is an apocalyptic number.

22224191 is a deficient number, since it is larger than the sum of its proper divisors (2612761).

22224191 is a wasteful number, since it uses less digits than its factorization.

22224191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3094 (or 3083 counting only the distinct ones).

The product of its digits is 576, while the sum is 23.

The square root of 22224191 is about 4714.2540237030. The cubic root of 22224191 is about 281.1525241795.

The spelling of 22224191 in words is "twenty-two million, two hundred twenty-four thousand, one hundred ninety-one".