2722449329 has 2 divisors, whose sum is σ = 2722449330. Its totient is φ = 2722449328.

The previous prime is 2722449299. The next prime is 2722449397. The reversal of 2722449329 is 9239442272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2722439329 + 10000 = 52177^2 + 100^2 .

It is a cyclic number.

It is not a de Polignac number, because 2722449329 - 2²⁰ = 2721400753 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2722449329.

It is not a weakly prime, because it can be changed into another prime (2722449229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1361224664 + 1361224665.

It is an arithmetic number, because the mean of its divisors is an integer number (1361224665).

Almost surely, 2^2722449329 is an apocalyptic number.

It is an amenable number.

2722449329 is a deficient number, since it is larger than the sum of its proper divisors (1).

2722449329 is an equidigital number, since it uses as much as digits as its factorization.

2722449329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 44.

The square root of 2722449329 is about 52177.0958275755. The cubic root of 2722449329 is about 1396.3252829474.

The spelling of 2722449329 in words is "two billion, seven hundred twenty-two million, four hundred forty-nine thousand, three hundred twenty-nine".