2287722384 has 60 divisors (see below), whose sum is σ = 6429108972. Its totient is φ = 759398400.

The previous prime is 2287722361. The next prime is 2287722389. The reversal of 2287722384 is 4832277822.

2287722384 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 799305984 + 1488416400 = 28272^2 + 38580^2 .

It is not an unprimeable number, because it can be changed into a prime (2287722389) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1744 + ... + 67664.

Almost surely, 2^2287722384 is an apocalyptic number.

2287722384 is a gapful number since it is divisible by the number (24) 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 2287722384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3214554486).

2287722384 is an abundant number, since it is smaller than the sum of its proper divisors (4141386588).

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

2287722384 is a wasteful number, since it uses less digits than its factorization.

2287722384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66176 (or 66167 counting only the distinct ones).

The product of its digits is 602112, while the sum is 45.

The square root of 2287722384 is about 47830.1409573503. The cubic root of 2287722384 is about 1317.6531578205.

The spelling of 2287722384 in words is "two billion, two hundred eighty-seven million, seven hundred twenty-two thousand, three hundred eighty-four".