2243224465 has 4 divisors (see below), whose sum is σ = 2691869364. Its totient is φ = 1794579568.

The previous prime is 2243224447. The next prime is 2243224471. The reversal of 2243224465 is 5644223422.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5644223422 = 2 ⋅2822111711.

It can be written as a sum of positive squares in 2 ways, for example, as 1309860864 + 933363601 = 36192^2 + 30551^2 .

It is a cyclic number.

It is not a de Polignac number, because 2243224465 - 2⁵ = 2243224433 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 2243224465.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224322442 + ... + 224322451.

It is an arithmetic number, because the mean of its divisors is an integer number (672967341).

Almost surely, 2^2243224465 is an apocalyptic number.

It is an amenable number.

2243224465 is a deficient number, since it is larger than the sum of its proper divisors (448644899).

2243224465 is an equidigital number, since it uses as much as digits as its factorization.

2243224465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448644898.

The product of its digits is 92160, while the sum is 34.

The square root of 2243224465 is about 47362.6906435857. The cubic root of 2243224465 is about 1309.0540468066.

Adding to 2243224465 its reverse (5644223422), we get a palindrome (7887447887).

The spelling of 2243224465 in words is "two billion, two hundred forty-three million, two hundred twenty-four thousand, four hundred sixty-five".