22168713569 has 4 divisors (see below), whose sum is σ = 22296856596. Its totient is φ = 22040570544.

The previous prime is 22168713559. The next prime is 22168713607. The reversal of 22168713569 is 96531786122.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 20970515344 + 1198198225 = 144812^2 + 34615^2 .

It is a cyclic number.

It is not a de Polignac number, because 22168713569 - 2⁸ = 22168713313 is a prime.

It is a super-2 number, since 2×22168713569² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22168713559) 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, 64071254 + ... + 64071599.

It is an arithmetic number, because the mean of its divisors is an integer number (5574214149).

Almost surely, 2^22168713569 is an apocalyptic number.

It is an amenable number.

22168713569 is a deficient number, since it is larger than the sum of its proper divisors (128143027).

22168713569 is a wasteful number, since it uses less digits than its factorization.

22168713569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128143026.

The product of its digits is 1088640, while the sum is 50.

The spelling of 22168713569 in words is "twenty-two billion, one hundred sixty-eight million, seven hundred thirteen thousand, five hundred sixty-nine".