22682157217 has 2 divisors, whose sum is σ = 22682157218. Its totient is φ = 22682157216.

The previous prime is 22682157151. The next prime is 22682157241. The reversal of 22682157217 is 71275128622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22564846656 + 117310561 = 150216^2 + 10831^2 .

It is a cyclic number.

It is not a de Polignac number, because 22682157217 - 2¹⁵ = 22682124449 is a prime.

It is not a weakly prime, because it can be changed into another prime (22682257217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11341078608 + 11341078609.

It is an arithmetic number, because the mean of its divisors is an integer number (11341078609).

Almost surely, 2^22682157217 is an apocalyptic number.

It is an amenable number.

22682157217 is a deficient number, since it is larger than the sum of its proper divisors (1).

22682157217 is an equidigital number, since it uses as much as digits as its factorization.

22682157217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 188160, while the sum is 43.

The spelling of 22682157217 in words is "twenty-two billion, six hundred eighty-two million, one hundred fifty-seven thousand, two hundred seventeen".