2288355520 has 224 divisors, whose sum is σ = 6247766016. Its totient is φ = 790732800.

The previous prime is 2288355493. The next prime is 2288355521. The reversal of 2288355520 is 255538822.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (2288355521) 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, 7310884 + ... + 7311196.

Almost surely, 2^2288355520 is an apocalyptic number.

2288355520 is a gapful number since it is divisible by the number (20) 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 2288355520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3123883008).

2288355520 is an abundant number, since it is smaller than the sum of its proper divisors (3959410496).

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

2288355520 is a wasteful number, since it uses less digits than its factorization.

2288355520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439 (or 429 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 40.

The square root of 2288355520 is about 47836.7590875469. The cubic root of 2288355520 is about 1317.7747018078.

The spelling of 2288355520 in words is "two billion, two hundred eighty-eight million, three hundred fifty-five thousand, five hundred twenty".