2273899008 has 80 divisors (see below), whose sum is σ = 6068272320. Its totient is φ = 756658176.

The previous prime is 2273899007. The next prime is 2273899049. The reversal of 2273899008 is 8009983722.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (2273899007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1361598 + ... + 1363266.

It is an arithmetic number, because the mean of its divisors is an integer number (75853404).

Almost surely, 2^2273899008 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 2273899008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3034136160).

2273899008 is an abundant number, since it is smaller than the sum of its proper divisors (3794373312).

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

2273899008 is an equidigital number, since it uses as much as digits as its factorization.

2273899008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2577 (or 2561 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 2273899008 is about 47685.4171419313. The cubic root of 2273899008 is about 1314.9938571424.

The spelling of 2273899008 in words is "two billion, two hundred seventy-three million, eight hundred ninety-nine thousand, eight".