2288722824 has 128 divisors (see below), whose sum is σ = 6983424000. Its totient is φ = 691301952.

The previous prime is 2288722823. The next prime is 2288722837. The reversal of 2288722824 is 4282278822.

It is a self number, because there is not a number n which added to its sum of digits gives 2288722824.

It is not an unprimeable number, because it can be changed into a prime (2288722823) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82269 + ... + 106515.

It is an arithmetic number, because the mean of its divisors is an integer number (54558000).

Almost surely, 2^2288722824 is an apocalyptic number.

2288722824 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 2288722824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3491712000).

2288722824 is an abundant number, since it is smaller than the sum of its proper divisors (4694701176).

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

2288722824 is a wasteful number, since it uses less digits than its factorization.

2288722824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24304 (or 24294 counting only the distinct ones).

The product of its digits is 458752, while the sum is 45.

The square root of 2288722824 is about 47840.5980731847. The cubic root of 2288722824 is about 1317.8452033856.

The spelling of 2288722824 in words is "two billion, two hundred eighty-eight million, seven hundred twenty-two thousand, eight hundred twenty-four".