22198547695 has 4 divisors (see below), whose sum is σ = 26638257240. Its totient is φ = 17758838152.

The previous prime is 22198547687. The next prime is 22198547699. The reversal of 22198547695 is 59674589122.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22198547695 - 2³ = 22198547687 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22198547699) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2219854765 + ... + 2219854774.

It is an arithmetic number, because the mean of its divisors is an integer number (6659564310).

Almost surely, 2^22198547695 is an apocalyptic number.

22198547695 is a deficient number, since it is larger than the sum of its proper divisors (4439709545).

22198547695 is an equidigital number, since it uses as much as digits as its factorization.

22198547695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4439709544.

The product of its digits is 10886400, while the sum is 58.

The spelling of 22198547695 in words is "twenty-two billion, one hundred ninety-eight million, five hundred forty-seven thousand, six hundred ninety-five".