2188325159 has 4 divisors (see below), whose sum is σ = 2208776904. Its totient is φ = 2167873416.

The previous prime is 2188325149. The next prime is 2188325327. The reversal of 2188325159 is 9515238812.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2188325159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2188325149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10225712 + ... + 10225925.

It is an arithmetic number, because the mean of its divisors is an integer number (552194226).

Almost surely, 2^2188325159 is an apocalyptic number.

2188325159 is a deficient number, since it is larger than the sum of its proper divisors (20451745).

2188325159 is a wasteful number, since it uses less digits than its factorization.

2188325159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20451744.

The product of its digits is 172800, while the sum is 44.

The square root of 2188325159 is about 46779.5378237109. The cubic root of 2188325159 is about 1298.2867290670.

The spelling of 2188325159 in words is "two billion, one hundred eighty-eight million, three hundred twenty-five thousand, one hundred fifty-nine".