2722217632889 has 2 divisors, whose sum is σ = 2722217632890. Its totient is φ = 2722217632888.

The previous prime is 2722217632853. The next prime is 2722217632913. The reversal of 2722217632889 is 9882367122272.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2522125134400 + 200092498489 = 1588120^2 + 447317^2 .

It is a cyclic number.

It is not a de Polignac number, because 2722217632889 - 2²⁰ = 2722216584313 is a prime.

It is not a weakly prime, because it can be changed into another prime (2722217634889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1361108816444 + 1361108816445.

It is an arithmetic number, because the mean of its divisors is an integer number (1361108816445).

Almost surely, 2^{2722217632889} is an apocalyptic number.

It is an amenable number.

2722217632889 is a deficient number, since it is larger than the sum of its proper divisors (1).

2722217632889 is an equidigital number, since it uses as much as digits as its factorization.

2722217632889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16257024, while the sum is 59.

The spelling of 2722217632889 in words is "two trillion, seven hundred twenty-two billion, two hundred seventeen million, six hundred thirty-two thousand, eight hundred eighty-nine".