1724224225 has 6 divisors (see below), whose sum is σ = 2138038070. Its totient is φ = 1379379360.

The previous prime is 1724224219. The next prime is 1724224241. The reversal of 1724224225 is 5224224271.

It can be written as a sum of positive squares in 3 ways, for example, as 279692176 + 1444532049 = 16724^2 + 38007^2 .

It is not a de Polignac number, because 1724224225 - 2⁵ = 1724224193 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34484460 + ... + 34484509.

Almost surely, 2^1724224225 is an apocalyptic number.

It is an amenable number.

1724224225 is a deficient number, since it is larger than the sum of its proper divisors (413813845).

1724224225 is an equidigital number, since it uses as much as digits as its factorization.

1724224225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68968979 (or 68968974 counting only the distinct ones).

The product of its digits is 17920, while the sum is 31.

The square root of 1724224225 is about 41523.7790308156. The cubic root of 1724224225 is about 1199.1253406400.

Adding to 1724224225 its reverse (5224224271), we get a palindrome (6948448496).

The spelling of 1724224225 in words is "one billion, seven hundred twenty-four million, two hundred twenty-four thousand, two hundred twenty-five".