22110002197 has 4 divisors (see below), whose sum is σ = 22179750156. Its totient is φ = 22040254240.

The previous prime is 22110002191. The next prime is 22110002203. The reversal of 22110002197 is 79120001122.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (22110002191) and next prime (22110002203).

It can be written as a sum of positive squares in 2 ways, for example, as 5806287601 + 16303714596 = 76199^2 + 127686^2 .

It is a cyclic number.

It is not a de Polignac number, because 22110002197 - 2¹¹ = 22110000149 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 (22110002191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34873504 + ... + 34874137.

It is an arithmetic number, because the mean of its divisors is an integer number (5544937539).

Almost surely, 2^22110002197 is an apocalyptic number.

It is an amenable number.

22110002197 is a deficient number, since it is larger than the sum of its proper divisors (69747959).

22110002197 is an equidigital number, since it uses as much as digits as its factorization.

22110002197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69747958.

The product of its (nonzero) digits is 504, while the sum is 25.

The spelling of 22110002197 in words is "twenty-two billion, one hundred ten million, two thousand, one hundred ninety-seven".