2244744461 has 4 divisors (see below), whose sum is σ = 2244850812. Its totient is φ = 2244638112.

The previous prime is 2244744427. The next prime is 2244744479. The reversal of 2244744461 is 1644474422.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1169298025 + 1075446436 = 34195^2 + 32794^2 .

It is a cyclic number.

It is not a de Polignac number, because 2244744461 - 2²² = 2240550157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2244749461) 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 3 ways as a sum of consecutive naturals, for example, 9626 + ... + 67691.

It is an arithmetic number, because the mean of its divisors is an integer number (561212703).

Almost surely, 2^2244744461 is an apocalyptic number.

It is an amenable number.

2244744461 is a deficient number, since it is larger than the sum of its proper divisors (106351).

2244744461 is an equidigital number, since it uses as much as digits as its factorization.

2244744461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106350.

The product of its digits is 172032, while the sum is 38.

The square root of 2244744461 is about 47378.7342697122. The cubic root of 2244744461 is about 1309.3496492157.

The spelling of 2244744461 in words is "two billion, two hundred forty-four million, seven hundred forty-four thousand, four hundred sixty-one".