2722132289 has 4 divisors (see below), whose sum is σ = 2809943040. Its totient is φ = 2634321540.

The previous prime is 2722132277. The next prime is 2722132321. The reversal of 2722132289 is 9822312272.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2722132289 - 2²⁰ = 2721083713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2722132789) 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, 43905329 + ... + 43905390.

It is an arithmetic number, because the mean of its divisors is an integer number (702485760).

Almost surely, 2^2722132289 is an apocalyptic number.

It is an amenable number.

2722132289 is a deficient number, since it is larger than the sum of its proper divisors (87810751).

2722132289 is an equidigital number, since it uses as much as digits as its factorization.

2722132289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87810750.

The product of its digits is 48384, while the sum is 38.

The square root of 2722132289 is about 52174.0576244555. The cubic root of 2722132289 is about 1396.2710783080.

The spelling of 2722132289 in words is "two billion, seven hundred twenty-two million, one hundred thirty-two thousand, two hundred eighty-nine".