2273931966 has 32 divisors (see below), whose sum is σ = 4567995648. Its totient is φ = 754631360.

The previous prime is 2273931937. The next prime is 2273931967. The reversal of 2273931966 is 6691393722.

It is a happy 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 (2273931967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1905466 + ... + 1906658.

It is an arithmetic number, because the mean of its divisors is an integer number (142749864).

Almost surely, 2^2273931966 is an apocalyptic number.

2273931966 is an abundant number, since it is smaller than the sum of its proper divisors (2294063682).

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

2273931966 is a wasteful number, since it uses less digits than its factorization.

2273931966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2336.

The product of its digits is 734832, while the sum is 48.

The square root of 2273931966 is about 47685.7627180273. The cubic root of 2273931966 is about 1315.0002103061. Note that the first 3 decimals are identical.

The spelling of 2273931966 in words is "two billion, two hundred seventy-three million, nine hundred thirty-one thousand, nine hundred sixty-six".