2276644481 has 4 divisors (see below), whose sum is σ = 2280732372. Its totient is φ = 2272556592.

The previous prime is 2276644477. The next prime is 2276644483. The reversal of 2276644481 is 1844466722.

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 1324304881 + 952339600 = 36391^2 + 30860^2 .

It is a cyclic number.

It is not a de Polignac number, because 2276644481 - 2² = 2276644477 is a prime.

It is a super-2 number, since 2×2276644481² = 10366220185735518722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2276644483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2043110 + ... + 2044223.

It is an arithmetic number, because the mean of its divisors is an integer number (570183093).

Almost surely, 2^2276644481 is an apocalyptic number.

It is an amenable number.

2276644481 is a deficient number, since it is larger than the sum of its proper divisors (4087891).

2276644481 is an equidigital number, since it uses as much as digits as its factorization.

2276644481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4087890.

The product of its digits is 516096, while the sum is 44.

The square root of 2276644481 is about 47714.1958016689. The cubic root of 2276644481 is about 1315.5228791865.

The spelling of 2276644481 in words is "two billion, two hundred seventy-six million, six hundred forty-four thousand, four hundred eighty-one".