1722838025 has 6 divisors (see below), whose sum is σ = 2136319182. Its totient is φ = 1378270400.

The previous prime is 1722838001. The next prime is 1722838027. The reversal of 1722838025 is 5208382271.

It can be written as a sum of positive squares in 3 ways, for example, as 18139081 + 1704698944 = 4259^2 + 41288^2 .

It is not a de Polignac number, because 1722838025 - 2²⁴ = 1706060809 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1722838025.

It is not an unprimeable number, because it can be changed into a prime (1722838027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34456736 + ... + 34456785.

It is an arithmetic number, because the mean of its divisors is an integer number (356053197).

Almost surely, 2^1722838025 is an apocalyptic number.

It is an amenable number.

1722838025 is a deficient number, since it is larger than the sum of its proper divisors (413481157).

1722838025 is an equidigital number, since it uses as much as digits as its factorization.

1722838025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68913531 (or 68913526 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 1722838025 is about 41507.0840339333. The cubic root of 1722838025 is about 1198.8039065762.

The spelling of 1722838025 in words is "one billion, seven hundred twenty-two million, eight hundred thirty-eight thousand, twenty-five".