22700127217 has 6 divisors (see below), whose sum is σ = 24113976278. Its totient is φ = 21364825344.

The previous prime is 22700127181. The next prime is 22700127227. The reversal of 22700127217 is 71272100722.

It can be written as a sum of positive squares in 3 ways, for example, as 15439553536 + 7260573681 = 124256^2 + 85209^2 .

It is not a de Polignac number, because 22700127217 - 2²⁷ = 22565909489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22700127227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39273288 + ... + 39273865.

Almost surely, 2^22700127217 is an apocalyptic number.

It is an amenable number.

22700127217 is a deficient number, since it is larger than the sum of its proper divisors (1413849061).

22700127217 is an equidigital number, since it uses as much as digits as its factorization.

22700127217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78547187 (or 78547170 counting only the distinct ones).

The product of its (nonzero) digits is 5488, while the sum is 31.

Adding to 22700127217 its reverse (71272100722), we get a palindrome (93972227939).

The spelling of 22700127217 in words is "twenty-two billion, seven hundred million, one hundred twenty-seven thousand, two hundred seventeen".