2722217324245 has 16 divisors (see below), whose sum is σ = 3380031990000. Its totient is φ = 2102225402368.

The previous prime is 2722217324227. The next prime is 2722217324249. The reversal of 2722217324245 is 5424237122272.

It can be written as a sum of positive squares in 8 ways, for example, as 488848477329 + 2233368846916 = 699177^2 + 1494446^2 .

It is a cyclic number.

It is not a de Polignac number, because 2722217324245 - 2⁷ = 2722217324117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2722217324249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1345030 + ... + 2693239.

It is an arithmetic number, because the mean of its divisors is an integer number (211251999375).

Almost surely, 2^{2722217324245} is an apocalyptic number.

It is an amenable number.

2722217324245 is a deficient number, since it is larger than the sum of its proper divisors (657814665755).

2722217324245 is a wasteful number, since it uses less digits than its factorization.

2722217324245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4042952.

The product of its digits is 752640, while the sum is 43.

The spelling of 2722217324245 in words is "two trillion, seven hundred twenty-two billion, two hundred seventeen million, three hundred twenty-four thousand, two hundred forty-five".