2288866194 has 64 divisors (see below), whose sum is σ = 5185843200. Its totient is φ = 748140624.

The previous prime is 2288866193. The next prime is 2288866219. The reversal of 2288866194 is 4916688822.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 2288866194.

It is not an unprimeable number, because it can be changed into a prime (2288866193) 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, 863379 + ... + 866025.

It is an arithmetic number, because the mean of its divisors is an integer number (81028800).

Almost surely, 2^2288866194 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2288866194, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2592921600).

2288866194 is an abundant number, since it is smaller than the sum of its proper divisors (2896977006).

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

2288866194 is a wasteful number, since it uses less digits than its factorization.

2288866194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2964 (or 2958 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 54.

The square root of 2288866194 is about 47842.0964632613. The cubic root of 2288866194 is about 1317.8727202638.

The spelling of 2288866194 in words is "two billion, two hundred eighty-eight million, eight hundred sixty-six thousand, one hundred ninety-four".