2273931968 has 112 divisors (see below), whose sum is σ = 5956913664. Its totient is φ = 833802240.

The previous prime is 2273931967. The next prime is 2273932013. The reversal of 2273931968 is 8691393722.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

It is not an unprimeable number, because it can be changed into a prime (2273931967) 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 15 ways as a sum of consecutive naturals, for example, 70205 + ... + 97347.

Almost surely, 2^2273931968 is an apocalyptic number.

2273931968 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2273931968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2978456832).

2273931968 is an abundant number, since it is smaller than the sum of its proper divisors (3682981696).

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

2273931968 is a wasteful number, since it uses less digits than its factorization.

2273931968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27190 (or 27180 counting only the distinct ones).

The product of its digits is 979776, while the sum is 50.

The square root of 2273931968 is about 47685.7627389979. The cubic root of 2273931968 is about 1315.0002106917. Note that the first 3 decimals are identical.

The spelling of 2273931968 in words is "two billion, two hundred seventy-three million, nine hundred thirty-one thousand, nine hundred sixty-eight".