22455555555569 has 4 divisors (see below), whose sum is σ = 22455835598820. Its totient is φ = 22455275512320.

The previous prime is 22455555555553. The next prime is 22455555555581. The reversal of 22455555555569 is 96555555555422.

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 4038540390544 + 18417015165025 = 2009612^2 + 4291505^2 .

It is a cyclic number.

It is not a de Polignac number, because 22455555555569 - 2⁴ = 22455555555553 is a prime.

It is a super-2 number, since 2×22455555555569² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 22455555555499 and 22455555555508.

It is not an unprimeable number, because it can be changed into a prime (22455557555569) 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, 139901312 + ... + 140061729.

It is an arithmetic number, because the mean of its divisors is an integer number (5613958899705).

Almost surely, 2^{22455555555569} is an apocalyptic number.

It is an amenable number.

22455555555569 is a deficient number, since it is larger than the sum of its proper divisors (280043251).

22455555555569 is an equidigital number, since it uses as much as digits as its factorization.

22455555555569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280043250.

The product of its digits is 1687500000, while the sum is 68.

The spelling of 22455555555569 in words is "twenty-two trillion, four hundred fifty-five billion, five hundred fifty-five million, five hundred fifty-five thousand, five hundred sixty-nine".