2252289505 has 4 divisors (see below), whose sum is σ = 2702747412. Its totient is φ = 1801831600.

The previous prime is 2252289503. The next prime is 2252289521. The reversal of 2252289505 is 5059822522.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 565298176 + 1686991329 = 23776^2 + 41073^2 .

It is not a de Polignac number, because 2252289505 - 2¹ = 2252289503 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2252289503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225228946 + ... + 225228955.

It is an arithmetic number, because the mean of its divisors is an integer number (675686853).

Almost surely, 2^2252289505 is an apocalyptic number.

It is an amenable number.

2252289505 is a deficient number, since it is larger than the sum of its proper divisors (450457907).

2252289505 is an equidigital number, since it uses as much as digits as its factorization.

2252289505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450457906.

The product of its (nonzero) digits is 144000, while the sum is 40.

The square root of 2252289505 is about 47458.2922680536. The cubic root of 2252289505 is about 1310.8150057335.

The spelling of 2252289505 in words is "two billion, two hundred fifty-two million, two hundred eighty-nine thousand, five hundred five".