2188230648 has 16 divisors (see below), whose sum is σ = 5470576680. Its totient is φ = 729410208.

The previous prime is 2188230647. The next prime is 2188230659. The reversal of 2188230648 is 8460328812.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2188230643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45588115 + ... + 45588162.

Almost surely, 2^2188230648 is an apocalyptic number.

It is an amenable number.

2188230648 is an abundant number, since it is smaller than the sum of its proper divisors (3282346032).

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

2188230648 is a wasteful number, since it uses less digits than its factorization.

2188230648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91176286 (or 91176282 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 42.

The square root of 2188230648 is about 46778.5276382231. The cubic root of 2188230648 is about 1298.2680383431.

The spelling of 2188230648 in words is "two billion, one hundred eighty-eight million, two hundred thirty thousand, six hundred forty-eight".