22197814 has 8 divisors (see below), whose sum is σ = 35049240. Its totient is φ = 10514736.

The previous prime is 22197811. The next prime is 22197821. The reversal of 22197814 is 41879122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 22197814.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22197811) 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 3 ways as a sum of consecutive naturals, for example, 292039 + ... + 292114.

It is an arithmetic number, because the mean of its divisors is an integer number (4381155).

Almost surely, 2^22197814 is an apocalyptic number.

22197814 is a deficient number, since it is larger than the sum of its proper divisors (12851426).

22197814 is a wasteful number, since it uses less digits than its factorization.

22197814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584174.

The product of its digits is 8064, while the sum is 34.

The square root of 22197814 is about 4711.4556137143. The cubic root of 22197814 is about 281.0412505983.

The spelling of 22197814 in words is "twenty-two million, one hundred ninety-seven thousand, eight hundred fourteen".