2273913648 has 100 divisors (see below), whose sum is σ = 6616193848. Its totient is φ = 753960960.

The previous prime is 2273913647. The next prime is 2273913661. The reversal of 2273913648 is 8463193722.

2273913648 is a `hidden beast` number, since 227 + 391 + 36 + 4 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (2273913647) 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 19 ways as a sum of consecutive naturals, for example, 245583 + ... + 254673.

Almost surely, 2^2273913648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2273913648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3308096924).

2273913648 is an abundant number, since it is smaller than the sum of its proper divisors (4342280200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2273913648 is a wasteful number, since it uses less digits than its factorization.

2273913648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9304 (or 9289 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 2273913648 is about 47685.5706477337. The cubic root of 2273913648 is about 1314.9966792362.

The spelling of 2273913648 in words is "two billion, two hundred seventy-three million, nine hundred thirteen thousand, six hundred forty-eight".