2243520505 has 8 divisors (see below), whose sum is σ = 2692935432. Its totient is φ = 1794342528.

The previous prime is 2243520497. The next prime is 2243520511. The reversal of 2243520505 is 5050253422.

It can be written as a sum of positive squares in 4 ways, for example, as 106584976 + 2136935529 = 10324^2 + 46227^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2243520505 - 2³ = 2243520497 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37692 + ... + 76861.

It is an arithmetic number, because the mean of its divisors is an integer number (336616929).

Almost surely, 2^2243520505 is an apocalyptic number.

It is an amenable number.

2243520505 is a deficient number, since it is larger than the sum of its proper divisors (449414927).

2243520505 is a wasteful number, since it uses less digits than its factorization.

2243520505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118475.

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 2243520505 is about 47365.8157852264. The cubic root of 2243520505 is about 1309.1116298855. Note that the first 3 decimals are identical.

Adding to 2243520505 its reverse (5050253422), we get a palindrome (7293773927).

The spelling of 2243520505 in words is "two billion, two hundred forty-three million, five hundred twenty thousand, five hundred five".